noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A state of reduced pressure of the intraocular fluid. countable, uncountable
2. 2
   (of muscular tissue) the state of being hypotonic wordnet
3. 3
   An abnormal loss of muscle tone. countable, uncountable

Synonyms

All synonyms

floppy baby syndromefloppy infant syndromehypotonicityhypotonus

Antonyms

All antonyms

hypertonia

Etymology

From New Latin hypotonia, from hypo- + Ancient Greek τόνος (tónos) + -ia. By surface analysis, hypo- + -tonia.

Related phrases

Puerto Rican infant hypotonia syndromemuscle tone

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.