1838, literally "of the same measure," from iso- "the same, equal" + -metric. The components are Greek: isos "equal, identical" + metron "a measure." Originally a method of using perspective in drawing; later in reference to crystals. The physiological sense relating to muscular action is from 1889, from German isometrisch in this sense (1882).
autistic (adj.)
1912 (Bleuler), from autism (q.v.).
The noun meaning "person with autism" is recorded from 1968 (earlier in this sense was autist).
autism (n.)
1912, from German Autismus, coined 1912 by Swiss psychiatrist Paul Bleuler from Greek autos "self" (see auto-) + -ismos suffix of action or of state (see -ism). The notion is of "morbid self-absorption."
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Metron (Proper Noun)
"A Measure."
isometric (adj.)
1838, literally "of the same measure," from iso- "the same, equal" + -metric. The components are Greek: isos "equal, identical" + metron "a measure." Originally a method of using perspective in drawing; later in reference to crystals. The physiological sense relating to muscular action is from 1889, from German isometrisch in this sense (1882).
autistic (adj.)
1912 (Bleuler), from autism (q.v.).
The noun meaning "person with autism" is recorded from 1968 (earlier in this sense was autist).
autism (n.)
1912, from German Autismus, coined 1912 by Swiss psychiatrist Paul Bleuler from Greek autos "self" (see auto-) + -ismos suffix of action or of state (see -ism). The notion is of "morbid self-absorption."