Metacharacter
noun
the character of a concept
noun
a special character in a program or data field that controls or gives information about other characters; character that is interpreted by a computer program to mean something other than its literal meaning; also written meta character, meta-character
Usage Note
computing
Read Also:
- Meta-character
noun See metacharacter
- Metachromasia
metachromasia met·a·chro·ma·si·a (mět’ə-krō-mā’zē-ə, -zhə) n.
- Metachromatic
[met-uh-kroh-muh-tiz-uh m] /ˌmɛt əˈkroʊ məˌtɪz əm/ noun 1. change of color, especially that due to variation in the temperature of a body. /ˌmɛtəkrəʊˈmætɪk/ adjective 1. (of tissues and cells stained for microscopical examination) taking a colour different from that of the dye solution 2. (of dyes) capable of staining tissues or cells a colour different […]
- Metachromatic body
metachromatic body n. A concentrated deposit of phosphate polymer, lipid, and nucleoprotein occurring in many bacteria, algae, fungi, and protozoa, and having staining properties different from those of the surrounding protoplasm.
- Metachromatic leukodystrophy
metachromatic leukodystrophy n. An inherited metabolic disorder characterized by myelin loss, accumulation of metachromatic lipids in the white matter of the central and peripheral nervous systems, a marked excess of sulfatidates in white matter and in urine, progressive paralysis, and dementia.