[mey-kron, mak-ron] /ˈmeɪ krɒn, ˈmæk rɒn/
a horizontal line used as a diacritic over a vowel to indicate that it has a long sound or other specified pronunciation, as (ā) in fate (fāt).
a diacritical mark (¯) placed over a letter, used in prosody, in the orthography of some languages, and in several types of phonetic respelling systems, to represent a long vowel
“short horizontal line placed over a vowel to indicate length,” 1827, from Greek makron, neuter of makros “long” (see macro-).
macronormoblast mac·ro·nor·mo·blast (māk’rō-nôr’mə-blāst’) n. A large normoblast.
[mak-roh-noo-klee-it, -eyt, -nyoo-] /ˌmæk roʊˈnu kli ɪt, -ˌeɪt, -ˈnyu-/ adjective 1. having a .
[mak-roh-noo-klee-uh s, -nyoo-] /ˌmæk roʊˈnu kli əs, -ˈnyu-/ noun, Biology. 1. the larger of the two types of occurring in ciliate protozoans, having a multiple set of chromosomes and functioning in cell metabolism and protein synthesis. /ˌmækrəʊˈnjuːklɪəs/ noun (pl) -clei (-klɪˌaɪ) 1. the larger of the two nuclei in ciliated protozoans Compare micronucleus macronucleus mac·ro·nu·cle·us […]
[mak-roh-noo-tree-uh nt, -nyoo-] /ˌmæk roʊˈnu tri ənt, -ˈnyu-/ noun 1. Nutrition. any of the nutritional components of the diet that are required in relatively large amounts: protein, carbohydrate, fat, and the macrominerals. 2. Botany. any of the three chemical elements required by plants in relatively large amounts: nitrogen, phosphorus, and potassium. /ˌmækrəʊˈnjuːtrɪənt/ noun 1. any […]