isostomous
|i-so-sto-mous|
🇺🇸
/ˌaɪsəˈstoʊməs/
🇬🇧
/ˌaɪsəˈstəʊməs/
equal openings
Etymology
'isostomous' originates from modern scientific/Neo-Latin formation, ultimately from Greek: specifically the words 'isos' meaning 'equal' and 'stoma' meaning 'mouth' or 'opening', with the adjectival ending '-ous'.
'isostomous' was coined in scientific usage (botanical/zoological descriptions) from the Greek elements 'isos' + 'stoma' and adapted into English as the adjective 'isostomous' (Modern Latin → English).
Initially, it meant 'having equal mouths/openings' in a literal morphological sense, and this core meaning has largely been retained in modern scientific usage to describe equal stomata or apertures.
Meanings by Part of Speech
Adjective 1
having stomata (pores on plant surfaces) that are uniform in size or arrangement; equally sized or evenly distributed stomata.
The fern's leaves are isostomous, with stomata uniformly distributed across the surface.
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Adjective 2
having equal mouths, openings, or apertures in an anatomical or morphological context (generalized sense).
In the specimen the chambers appear isostomous, each aperture nearly identical in size.
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Last updated: 2025/09/19 07:55