| moderatress | A female moderator. Source: Websters Dictionary (01 Mar 1998) |
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| moderatrix | A female moderator. Origin: L. Source: Websters Dictionary (01 Mar 1998) |
| modern genetics | That body of method and analysis that perceives genetics as the study of the economy of nucleic acids and associated compounds. (05 Mar 2000) |
| modest | 1. Restraining within due limits of propriety; not forward, bold, boastful, or presumptious; rather retiring than pushing one's self forward; not obstructive; as, a modest youth; a modest man. 2. Observing the proprieties of the sex; not unwomanly in act or bearing; free from undue familiarity, indecency, or lewdness; decent in speech and demeanor; said of a woman. "Mrs. Ford, the honest woman, the modest wife." (Shak) "The blushing beauties of a modest maid." (Dryden) 3. Evincing modestly in the actor, author, or speaker; not showing presumption; not excessive or extreme; moderate; as, a modest request; modest joy. Synonym: Reserved, unobtrusive, diffident, bashful, coy, shy, decent, becoming, chaste, virtuous. Origin: F. Modeste, L. Modestus, fr. Modus measure. See Mode. Source: Websters Dictionary (01 Mar 1998) |
| modification | 1. A nonhereditary change in an organism; e.g., one that is acquired from its own activity or environment. 2. A chemical or structural alteration in a molecule. Behaviour modification, the systematic use of principles of conditioning and learning, especially operant or instrumental conditioning, to teach certain skills or to extinguish undesirable behaviours, attitudes, or phobias. Chemical modification, alteration in the structure of a molecule, typically a macromolecule such as a protein, by chemical means; often, the covalent addition by some reagent. Covalent modification, alteration in the structure of a macromolecule by enzymatic means, resulting in a change in the properties of that macromolecule; frequently, this type of modification is physiologically relevant. (05 Mar 2000) |
| modification enzyme | <enzyme, molecular biology> An enzyme that introduces minor bases into DNA or RNA or that alters bases already incorporated. Serves to alter the sequence so that restriction enzymes will not damage the strand. (18 Nov 1997) |
| modified milk | Cow's milk altered, by increasing the fat and reducing the amount of protein, to resemble human milk in composition. (05 Mar 2000) |
| modified radical hysterectomy | An extended hysterectomy in which a portion of the upper vagina is removed; the ureters are exposed and pulled back laterally without dissection from the ureteral bed. Synonym: TeLinde operation. (05 Mar 2000) |
| modified radical mastectomy | <procedure, surgery> The most common type of mastectomy. Breast skin, nipple, areola and underarm lymph nodes are removed. The chest muscles are saved. (09 Oct 1997) |
| modified sit-ups | There are several classic examples that will not put strain on your lower back: 1) lay on your back with your knees flexed and feet flat on the floor. 2) Raise your head and torso slightly off the floor with your fingers laced behind your head (abdominal crunch). (27 Sep 1997) |
| modified zinc oxide-eugenol cement | Dental cement obtained by mixing zinc oxide and eugenol with one or more additives. (05 Mar 2000) |
| modifier gene | A nonallelic gene that controls or changes the manifestation of a gene by interfering with its transcription. (05 Mar 2000) |
| modify | To change somewhat the form or qualities of, alter partially. (18 Nov 1997) |
| modiolar | Shaped like a bushel measure. Origin: L. Modiolus, dim. Of modius the Roman corn measure. Source: Websters Dictionary (01 Mar 1998) |
| modiolus | Origin: L, a small measure. <anatomy> The central column in the osseous cochlea of the ear. Source: Websters Dictionary (01 Mar 1998) |