| reduction deformity | Congenital absence or attenuation of one or more body parts; usually of the limbs or limb components. (05 Mar 2000) |
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| reduction division | The first cell division in meiosis, the process by which germ cells are formed. A unique event in which the chromosome number is reduced from diploid (46 chromosomes) to haploid (23 chromosomes). Also called first meiotic division or first meiosis. (12 Dec 1998) |
| reduction en masse | Reduction of hernial sac and contents, so that intestinal obstruction is still present. (05 Mar 2000) |
| reduction mammaplasty | Plastic surgery of the breast to reduce its size and (frequently) to improve its shape and position. (05 Mar 2000) |
| reduction nucleus | A nucleus that degenerates in the cell during the changes incident to fertilization. (05 Mar 2000) |
| reduction of chromosomes | The process during meiosis whereby one member of each homologous pair of chromosomes is distributed to a sperm or ovum; the diploid set of chromosomes (46 in humans) is thus reduced to the haploid set in each gamete; union of the sperm and ovum then restores the diploid or somatic number in the one-cell zygote. (05 Mar 2000) |
| reduction phase | The stage of nuclear changes in the sexual cells during which reduction of the chromosomes takes place; it embraces the cell generations of the spermatocytes and oocytes. Synonym: reduction phase. (05 Mar 2000) |
| reduction potential | The inherent tendency of a compound to act as an electron donor or an electron acceptor. Measured in volts. (09 Oct 1997) |
| reductive dechlorination | Removal of Cl as Cl- from an organic compound by reducing the carbon atom from C-Cl to C H. (09 Oct 1997) |
| redundancy | Occurrence of linearly arranged, largely identical, repeated sequences of DNA. (05 Mar 2000) |
| redundant | 1. Exceeding what is natural or necessary; superabundant; exuberant; as, a redundant quantity of bile or food. "Notwithstanding the redundant oil in fishes, they do not increase fat so much as flesh." (Arbuthnot) 2. Using more worrds or images than are necessary or useful; pleonastic. "Where an suthor is redundant, mark those paragraphs to be retrenched." (I. Watts) Synonym: Superfluous, superabundant, excessive, exuberant, overflowing, plentiful, copious. Origin: L. Redundans, -antis, p. Pr. Of redundare: cf. F. Redondant. See Redound. Source: Websters Dictionary (01 Mar 1998) |
| reduplicate | 1. Double; doubled; reduplicative; repeated. 2. <botany> Valvate with the margins curved outwardly; said of the stivation of certain flowers. Origin: Pref. Re- + duplicate: cf. L. Reduplicatus. Cf. Redouble. Source: Websters Dictionary (01 Mar 1998) |
| reduplicated cataract | A type of congenital cataract with opacities situated at various levels in the lens. (05 Mar 2000) |
| reduplication | 1. A redoubling. 2. A duplication or doubling, as of the sounds of the heart in certain morbid states or the presence of two instead of a normally single part. 3. A fold or duplicature. Origin: L. Reduplicatio, fr. Re-, again, + duplico, to double, fr. Duplex, two-fold (05 Mar 2000) |
| reduvid | <zoology> Any hemipterous insect of the genus Redivius, or family Reduvidae. They live by sucking the blood of other insects, and some species also attack man. Origin: L. Reduvia a hangnail. Source: Websters Dictionary (01 Mar 1998) |
| red. in pulv. |
(Red. in pulv.) abbreviation for L. reduc
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| redia |
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| redifferentiation |
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| reduce |
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| reduplication |
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| red | American red-fruited hawthorn with dense corymbs of pink-red flowers |
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| red | the heat of fire |
| red | orchid of Mediterranean and Asia having a lax spike of bright rose-pink flowers |
| red | any diversion intended to distract attention from the main issue |
| red | a dried and smoked herring having a reddish color |
| red | a frankfurter served hot on a bun |
| red | a member of the race of people living in North America when Europeans arrived |
| red | SE Asian jungle fowl considered ancestral to domestic fowl |
| red | small juniper found east of Rocky Mountains having a conic crown, brown bark that peels in shreds, and small sharp needles |
| red | New Zealand tree with glossy leaves and scaly reddish-brown bark |
| red | valuable Philippine timber tree |
| red | hard heavy red wood of the red lauan tree |