reconstitute (v.) Look up reconstitute at Dictionary.com
1790, from re- "back, again" + constitute (v.). Related: Reconstituted; reconstituting.
reconstruct (v.) Look up reconstruct at Dictionary.com
1768, "to build anew," from re- "back, again" + construct (v.). Meaning "to restore (something) mentally" is attested from 1862. Related: Reconstructed; reconstructing.
reconstruction (n.) Look up reconstruction at Dictionary.com
1791, "action or process of reconstructing," from re- + construction. In U.S. political history sense (usually with a capital R-), from 1865. It had been used during the American Civil War in reference to reconstitution of the union.
reconvene (v.) Look up reconvene at Dictionary.com
1640s, from re- + convene and from Medieval Latin reconvenire. Related: Reconvened; reconvening; reconvention.
reconveyance (n.) Look up reconveyance at Dictionary.com
1714; see re- + conveyance.
record (v.) Look up record at Dictionary.com
c.1200, "to repeat, reiterate, recite; rehearse, get by heart," from Old French recorder "tell, relate, repeat, recite, report, make known" (12c.) and directly from Latin recordari "remember, call to mind, think over, be mindful of," from re- "restore" (see re-) + cor (genitive cordis) "heart" (as the metaphoric seat of memory, as in learn by heart); see heart.

Meaning "set down in writing" first attested mid-14c.; that of "put sound or pictures on disks, tape, etc." is from 1892. Related: Recorded; recording.
record (n.) Look up record at Dictionary.com
c.1300, "testimony committed to writing," from Old French record "memory, statement, report," from recorder "to record" (see record (v.)). Meaning "written account of some event" is from late 14c. Meaning "disk on which sounds or images have been recorded" is first attested 1878. That of "best or highest recorded achievement in sports, etc." is from 1883. Phrase on the record is from 1900; adverbial phrase off the record "confidentially" is attested from 1906. Record-player attested from 1919.
record-keeping (n.) Look up record-keeping at Dictionary.com
also recordkeeping, 1841; see record (n.) + keeping, verbal noun from keep (v.).
recordation (n.) Look up recordation at Dictionary.com
late 14c., "faculty of remembering," Old French recordacion "record, memory" (14c.) or directly from Latin recordationem (nominative recordatio), noun of action from past participle stem of recordari (see record (v.)). Meaning "act or process of committing to writing" is c.1810.
recorder (n.) Look up recorder at Dictionary.com
"chief legal officer of a city," early 15c., from Anglo-French recordour (early 14c.), Old French recordeor "witness; storyteller; minstrel," from Medieval Latin recordator, from Latin recordari "remember" (see record (v.)).

Meaning "registering apparatus" is from 1873. The musical instrument is attested by this name from early 15c., from record (v.) in the obsolete sense of "practice a tune." Used by Shakespeare and Milton ("of flutes and soft recorders," "Paradise Lost"). The name, and the device, were rarely heard by mid-1800s, ousted by the flute, but enjoyed a revival after 1911 as an easy-to-play instrument for musical beginners.
recount (v.1) Look up recount at Dictionary.com
"to tell," mid-15c., also recompt, from Old North French and Anglo-French reconter (12c., Modern French raconter), from Old French re- (see re-) + conter "to relate, reckon" (see count (v)). Related: Recounted; recounting.
recount (n.) Look up recount at Dictionary.com
also re-count, "a new count" (especially in an election), 1855, American English, from re- + count (n).
recount (v.2) Look up recount at Dictionary.com
also re-count, "to enumerate again," 1764, from re- + count (v). Related: Recounted; recounting.
recoup (v.) Look up recoup at Dictionary.com
1620s, from French recouper "to cut back" (12c.), from Old French re- "back" (see re-) + couper "to cut," from coup "a blow" (see coup). Originally a legal term meaning "to deduct;" sense of "to recompense for loss or expense" first recorded 1660s. Related: Recouped; recouping.
recourse (n.) Look up recourse at Dictionary.com
late 14c., from Old French recours (13c.), from Latin recursus "a return, a retreat," literally "a running back, a going back," from stem of past participle of recurrere "run back, return" (see recur).
recover (v.) Look up recover at Dictionary.com
c.1300, "to regain consciousness," from Anglo-French rekeverer (13c.), Old French recovrer "come back, return; regain health; procure, get again" (11c.), from Medieval Latin recuperare "to recover" (source of Spanish recobrar, Italian ricoverare; see recuperation). Meaning "to regain health or strength" is from early 14c.; sense of "to get (anything) back" is first attested mid-14c. Related: Recovered; recovering.
recoverable (adj.) Look up recoverable at Dictionary.com
late 15c., from Old French recouvrable, from recouvrer (see recover) .
recovery (n.) Look up recovery at Dictionary.com
mid-14c., "return to health," from Anglo-French recoverie (c.1300), Old French recovree "remedy, cure, recovery," from past participle stem of recovrer (see recover). Meaning "a gaining possession by legal action" is from early 15c. That of "act of righting oneself after a blunder, mishap, etc." is from 1520s.
recreant (adj.) Look up recreant at Dictionary.com
c.1300, "confessing oneself to be overcome or vanquished," from Old French recreant "defeated, vanquished, yielding, giving; weak, exhausted; cowardly," present participle adjective from recroire "to yield in a trial by combat, surrender allegiance," literally "believe again;" perhaps on notion of "take back one's pledge, yield one's cause," from re- "again, back" (see re-) + croire "entrust, believe," from Latin credere (see credo).
Non sufficit ... nisi dicat illud verbum odiosum, quod recreantus sit. [Bracton, c.1260]
Meaning "cowardly" in English is from late 14c. Meaning "unfaithful to duty" is from 1640s.
recreant (n.) Look up recreant at Dictionary.com
"one who yields in combat, one who begs for mercy, one who admits defeat," early 15c., hence "coward, faint-hearted wretch;" from recreant (adj.) and from Old French recreant as a noun, "one who acknowledges defeat, a craven, coward, renegade, traitor, wretch." In English, sense of "apostate, deserter, villain" is from 1560s.
recreate (v.) Look up recreate at Dictionary.com
also re-create, "to create anew," 1580s, from re- "back, again" + create. Related: Recreated; recreating; recreation.
recreation (n.) Look up recreation at Dictionary.com
late 14c., "refreshment or curing of a person, refreshment by eating," from Old French recreacion (13c.), from Latin recreationem (nominative recreatio) "recovery from illness," noun of action from past participle stem of recreare "to refresh, restore, make anew, revive, invigorate," from re- "again" (see re-) + creare (see create). Meaning "refresh oneself by some amusement" is first recorded c.1400.

A verb recreate "to refresh by physical influence after exertion" is attested from early 15c. and was used by Lyly, Pope, Steele, and Harriet Martineau, but it did not take, probably to avoid confusion with recreate.
recreational (adj.) Look up recreational at Dictionary.com
1650s, from recreation + -al (1). Related: Recreationally. Recreational drug attested from 1967.
recrement (n.) Look up recrement at Dictionary.com
"dross, scum," 1590s, from French récrément (mid-16c.) or directly from Latin recrementum, from re- (see re-) + cernere "to sift, separate" (see crisis).
recriminate (v.) Look up recriminate at Dictionary.com
"return one accusation with another," c.1600, from Medieval Latin recriminatus, past participle of recriminari "to make charges against," from Latin re- "back, again" (see re-) + criminari "to accuse," from crimen (genitive criminis) "a charge" (see crime). Related: Recriminated; recriminating.
recrimination (n.) Look up recrimination at Dictionary.com
1610s, from French récrimination, from Medieval Latin recriminationem (nominative recriminatio), noun of action from past participle stem of recriminari (see recriminate).
recrudesce (v.) Look up recrudesce at Dictionary.com
1875, "break out afresh," back-formation from recrudescence or else from Latin recrudescere "become raw again, break open afresh." Related: Recrudesced; recrudescing.
recrudescence (n.) Look up recrudescence at Dictionary.com
1707, "a becoming raw again, a breaking out afresh," from stem of Latin recrudescere "re-open" (of wounds), literally "become raw again," from re- "again" (see re-) + crudescere, from crudus "raw" (see crude (adj.)) + inchoative suffix -escere. Meaning "revival" is from 1906. Related: Recrudescency (1650s); recrudescent (1726).
recruit (v.) Look up recruit at Dictionary.com
1630s, "to strengthen, reinforce," from French recruter (17c.), from recrute "a levy, a recruit" (see recruit (n.)). Sense of "to enlist new soldiers" is attested from 1650s; of student athletes, from 1913. Related: Recruited; recruiting.
recruit (n.) Look up recruit at Dictionary.com
"military reinforcement, one of a newly raised body of troops," 1640s, from recruit (v)., replacing earlier recrew, recrue; or from obsolete French recrute, alteration of recreue "a supply," recrue "a levy of troops" (late 16c.), Picardy or Hainault dialect variant of recrue "a levy, a recruit," literally "new growth," from Old French recreu (12c.), past participle of recreistre "grow or increase again," from re- "again" (see re-) + creistre "to grow," from Latin crescere "to grow" (see crescent). "The French word first appeared in literary use in gazettes published in Holland, and was disapproved of by French writers in the latter part of the 17th c." [OED]. The French word also is the source of Dutch recruut, German Recrut, Swedish rekryt.
recruiter (n.) Look up recruiter at Dictionary.com
1690s, agent noun from recruit (v.).
recruitment (n.) Look up recruitment at Dictionary.com
1795, from recruit (v.) + -ment.
recrystallization (n.) Look up recrystallization at Dictionary.com
1782, from re- + crystallization.
recrystallize (v.) Look up recrystallize at Dictionary.com
also re-crystallize, 1774, from re- + crystallize. Related: Recrystallized; recrystallizing.
rectal (adj.) Look up rectal at Dictionary.com
1822, from stem of rectum + -al (1). Related: Rectally.
rectangle (n.) Look up rectangle at Dictionary.com
1570s, from Middle French rectangle (16c.) and directly from Late Latin rectangulum, from rect-, comb. form of Latin rectus "right" (see right (adj.1)) + Old French angle (see angle (n.)). Medieval Latin rectangulum meant "a triangle having a right angle."
rectangular (adj.) Look up rectangular at Dictionary.com
1620s, from Middle French rectangulaire (16c.) or formed in English from Latin stem of rectangle + -ar. Related: Rectangularity.
rectification (n.) Look up rectification at Dictionary.com
c.1400, from Old French rectificacion (14c.) or directly from Late Latin rectificationem (nominative rectificatio), noun of action from past participle stem of rectificare (see rectify).
rectifier (n.) Look up rectifier at Dictionary.com
1610s, agent noun from rectify.
rectify (v.) Look up rectify at Dictionary.com
c.1400, from Old French rectifier, literally "to make straight" (14c.), from Late Latin rectificare "make right," from Latin rectus "straight" (see right (adj.1)) + root of facere "to make" (see factitious). Related: Rectified; rectifying.
rectilinear (adj.) Look up rectilinear at Dictionary.com
"forming a straight line," 1650s, with -ar + rectiline (1560s), from Late Latin rectilineus, from rectus "straight" (see right (adj.1)) + linea "line" (see line (n.)). Related: Rectilineal (1640s).
rectitude (n.) Look up rectitude at Dictionary.com
early 15c., "quality of being straight," from Middle French rectitude (14c.), from Late Latin rectitudinem (nominative rectitudo) "straightness, uprightness," from Latin rectus "straight" (see right (adj.1)). Sense of "upright in conduct or character" is from 1530s.
recto (n.) Look up recto at Dictionary.com
"right-hand page in an open book" (opposed to verso or reverso), 1824, from Latin recto (in recto folio), ablative of rectum "right," (see right (adj.1)).
recto- Look up recto- at Dictionary.com
word-forming element meaning "pertaining to or involving the rectum," before vowels rect-, from comb. form of rectum.
rector (n.) Look up rector at Dictionary.com
late 14c. (early 13c. in Anglo-Latin), from Latin rector "ruler, governor, director, guide," from rect-, past participle stem of regere "to rule, guide" (see regal). Used originally of Roman governors and God, by 18c. generally restricted to clergymen and college heads. Related: Rectorship.
rectory (n.) Look up rectory at Dictionary.com
mid-15c., from French rectorie (14c.) or Medieval Latin rectoria, from rector (see rector). Originally "benefice held by a rector;" of his residence, from 1849.
rectum (n.) Look up rectum at Dictionary.com
early 15c., from Latin intestinum rectum "straight intestine," in contrast to the convolution of the rest of the bowels, from neuter past participle of regere "to straighten" (see regal). A loan-translation of Greek apeuthysmeon enteron, "the name given to the lowest part of the large intestine by Galen, who so called it because he dissected only animals whose rectum (in contradistinction to that of man) is really straight" [Klein].
recumbent (adj.) Look up recumbent at Dictionary.com
1705, from Latin recumbentem (nominative recumbens), present participle of recumbere "recline, lie down, lie down again;" of things, "to fall, sink down, settle down," from re- "back" (see re-) + -cumbere "to lie down" (see succumb). Related: Recumbency (1640s). A verb, recumb, has been attempted in English occasionally since 1670s.
recuperate (v.) Look up recuperate at Dictionary.com
1540s, from Latin recuperatus, past participle of recuperare "to get again," in Medieval Latin "revive, convalesce, recover" (see recuperation). Meaning "to recover from sickness or loss" is from 1864. Related: Recuperated; recuperating.
recuperation (n.) Look up recuperation at Dictionary.com
late 15c., "recovery or regaining of things," from Latin recuperationem (nominative recuperatio) "a getting back, regaining, recovery," noun of action from past participle stem of recuperare "get back, regain, get again," in Medieval Latin "revive, convalesce, recover," related to recipere (see receive). Meaning "restoration to health or vigor" is from 1865.