| RecA | An Escherichia coli protein that specifically recognises single-stranded DNA and anneals it to a complementary sequence in a duplex which is homologous. This results in the displacement of the original complementary strand of the duplex. (05 Mar 2000) |
|---|---|
| recalcification | Restoration to the tissues of lost calcium salts. (05 Mar 2000) |
| recalcitrant | Resistant to microbial attack. (09 Oct 1997) |
| recalcitrate | To kick against; to show repugnance to; to rebuff. "The more heartily did one disdain his disdain, and recalcitrate his tricks." (De Quincey) Source: Websters Dictionary (01 Mar 1998) |
| recall | The process whereby a representation of past experience is elicited. (12 Dec 1998) |
| Recamier's operation | Curettage of the uterus. (05 Mar 2000) |
| Recamier, Joseph | <person> French gynecologist, 1774-1852. See: Recamier's operation. (05 Mar 2000) |
| recanalization | 1. Restoration of a lumen in a blood vessel following thrombotic occlusion, by organization of the thrombus with formation of new channels. 2. Spontaneous restoration of the continuity of the lumen of any occluded duct or tube, as with post-vasectomy recanalization. (05 Mar 2000) |
| recapitulation | See: recapitulation theory. (05 Mar 2000) |
| recapitulation theory | The theory formulated by E.H. Haeckel that individuals in their embryonic development pass through stages similar in general structural plan to the stages their species passed through in its evolution; more technically phrased, the theory that ontogeny is an abbreviated recapitulation of phylogeny. Synonym: biogenetic law, law of biogenesis, Haeckel's law, law of recapitulation. (05 Mar 2000) |
| recarbonise | <chemistry> To restore carbon to; as, to recarbonize iron in converting it into steel. Source: Websters Dictionary (01 Mar 1998) |
| recarbonize | <chemistry> To restore carbon to; as, to recarbonize iron in converting it into steel. Source: Websters Dictionary (01 Mar 1998) |
| receive | 1. To take, as something that is offered, given, committed, sent, paid, or the like; to accept; as, to receive money offered in payment of a debt; to receive a gift, a message, or a letter. "Receyven all in gree that God us sent." (Chaucer) 2. Hence: To gain the knowledge of; to take into the mind by assent to; to give admission to; to accept, as an opinion, notion, etc.; to embrace. "Our hearts receive your warnings." (Shak) "The idea of solidity we receives by our touch." (Locke) 3. To allow, as a custom, tradition, or the like; to give credence or acceptance to. "Many other things there be which they have received to hold, as the washing of cups, and pots." (Mark vii. 4) 4. To give admittance to; to permit to enter, as into one's house, presence, company, and the like; as, to receive a lodger, visitor, ambassador, messenger, etc. "They kindled a fire, and received us every one." (Acts xxviii. 2) 5. To admit; to take in; to hold; to contain; to have capacity fro; to be able to take in. "The brazen altar that was before the Lord was too little to receive the burnt offerings." (1 Kings viii. 64) 6. To be affected by something; to suffer; to be subjected to; as, to receive pleasure or pain; to receive a wound or a blow; to receive damage. "Against his will he can receive no harm." (Milton) 7. To take from a thief, as goods known to be stolen. 8. To bat back (the ball) when served. Receiving ship, one on board of which newly recruited sailors are received, and kept till drafted for service. Synonym: To accept, take, allow, hold, retain, admit. Receive, Accept. To receive describes simply the act of taking. To accept denotes the taking with approval, or for the purposes for which a thing is offered. Thus, we receive a letter when it comes to hand; we receive news when it reaches us; we accept a present when it is offered; we accept an invitation to dine with a friend. "Who, if we knew What we receive, would either not accept Life offered, or soon beg to lay it down." (Milton) Origin: OF. Receiver, recevoir, F. Recevoir, fr. L. Recipere; pref. Re- re- + capere to take, seize. See See Capable, Heave, and cf. Receipt, Reception, Recipe. Source: Websters Dictionary (01 Mar 1998) |
| receiver | 1. One who takes or receives in any manner. 2. A person appointed, ordinarily by a court, to receive, and hold in trust, money or other property which is the subject of litigation, pending the suit; a person appointed to take charge of the estate and effects of a corporation, and to do other acts necessary to winding up its affairs, in certain cases. 3. One who takes or buys stolen goods from a thief, knowing them to be stolen. 4. <chemistry> A vessel connected with an alembic, a retort, or the like, for receiving and condensing the product of distillation. A vessel for receiving and containing gases. 5. <physics> The glass vessel in which the vacuum is produced, and the objects of experiment are put, in experiments with an air pump. Cf. Bell jar, and 6. <engineering> A vessel for receiving the exhaust steam from the high-pressure cylinder before it enters the low-pressure cylinder, in a compound engine. A capacious vessel for receiving steam from a distant boiler, and supplying it dry to an engine. 7. That portion of a telephonic apparatus, or similar system, at which the message is received and made audible; opposed to transmitter. <physics> Exhausted receiver, a receiver, as that used with the air pump, from which the air has been withdrawn; a vessel the interior of which is a more or less complete vacuum. Origin: Cf. F. Receveur. Source: Websters Dictionary (01 Mar 1998) |
| receiver cell | <plant biology> Cells in the photosynthetic tissues of plants into which the solutes from xylem are pumped. (18 Nov 1997) |