Definition of Miosis

1. Noun. (genetics) cell division that produces reproductive cells in sexually reproducing organisms; the nucleus divides into four nuclei each containing half the chromosome number (leading to gametes in animals and spores in plants).

Exact synonyms: Meiosis, Reduction Division
Category relationships: Genetic Science, Genetics
Terms within: Anaphase, Cytokinesis, Karyokinesis, Metaphase, Prophase, Segregation, Telophase
Generic synonyms: Cell Division, Cellular Division
Specialized synonyms: Nondisjunction
Derivative terms: Meiotic

2. Noun. Reflex contraction of the sphincter muscle of the iris in response to a bright light (or certain drugs) causing the pupil to become smaller.

Definition of Miosis

1. Noun. Contraction of the pupil of the eye. ¹

¹ Source: wiktionary.com

Definition of Miosis

1. excessive contraction of the pupil of the eye [n -OSES]

Medical Definition of Miosis

1. Contraction of the pupils. (12 Jan 1998)

Lexicographical Neighbors of Miosis

miocene
miodidymus
miofloral
miogeoclinal
miogeocline
miogeoclines
miohippus
miolecithal
miombo
miombos
mionectic
miopragia
miopus
mioses
miosis (current term)
miosphygmia
miostagmin reaction
miotic
miotics
mipmap
mipmapped
mipmapping
mipmaps
mipomersen
miquelet
miquelets
mir
mira
mirabelle

Other Resources:

Search for Miosis on Dictionary.com!Search for Miosis on Thesaurus.com!Search for Miosis on Google!Search for Miosis on Wikipedia!

Search