Lustrous, like mother-of-pearl; descriptive term for bacterial colonies. [Fr. nacre, mother-of-pearl]

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na·cre·ous 'nā-krē-əs, -k(ə-)rəs adj having a pearly appearance <\nacreous bacterial colonies>

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na·cre·ous (naґkre-əs) [Fr. nacre mother of pearl] having a grayish-white, translucent color, with a pearl-like luster; said of bacterial colonies.

Medical dictionary. 2011.

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  • Nacreous — Na cre*ous (n[=a] kr[ e]*[u^]s), a. [See {Nacre}.] (Zo[ o]l.) Consisting of, or resembling, nacre; pearly. [1913 Webster] …   The Collaborative International Dictionary of English

  • nacreous — (adj.) resembling nacre, 1807, from NACRE (Cf. nacre) + OUS (Cf. ous) …   Etymology dictionary

  • nacreous — [nā′krē əs] adj. 1. of or like nacre 2. yielding nacre 3. iridescent; lustrous …   English World dictionary

  • nacreous — nacre ► NOUN ▪ mother of pearl. DERIVATIVES nacreous adjective. ORIGIN French …   English terms dictionary

  • nacreous — adjective 1. consisting of or resembling mother of pearl • Pertains to noun: ↑nacre • Derivationally related forms: ↑nacre 2. having a play of lustrous rainbow colors an iridescent oil slick nacreous (or pearlescent) clouds looking like mother of …   Useful english dictionary

  • nacreous — adjective Date: circa 1828 possessing the qualities of, consisting of, or abounding in nacre; also iridescent …   New Collegiate Dictionary

  • nacreous — /nay kree euhs/, adj. 1. of or pertaining to nacre. 2. resembling nacre; lustrous; pearly. [1830 40; NACRE + OUS] * * * …   Universalium

  • nacreous — adjective a) Of, or resembling nacre (mother of pearl). b) Exhibiting lustrous or rainbow like colors …   Wiktionary

  • nacreous — Synonyms and related words: burele, chatoyant, creamy, delicate, eggshell, flat, gloss, iridal, iridescent, iridial, iridian, irisated, irised, light, mellow, moire, mother of pearl, nacre, nacred, nacry, opalescent, opaline, opaloid, pale,… …   Moby Thesaurus

  • nacreous — na·cre·ous || neɪkrɪəs adj. of pearl, of mother of pearl; shiny, iridescent …   English contemporary dictionary

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