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gerontic

Line breaks: ger|on¦tic
Pronunciation: /dʒɛˈrɒntɪk
 
/

Definition of gerontic in English:

adjective

Relating to old age, elderly people, or senescent animals or plants.
Example sentences
  • The gerontic whorl of gastropod genera of the subfamily Mitchelliinae is twisted both outwards and backwards, but not upwards as in members of the subfamily Scoliostomatinae.
  • Rapid growth of the inner and basal parts of the apertural margin during their late shell ontogeny caused twisting of the gerontic whorl both outwards and backwards.
  • The gerontic aperture is narrowly elongated in species of Eoscoliostoma, but rather circular in Scoliostoma species.

Origin

late 19th century: from Greek gerōn, geront- 'old man' + -ic.

Definition of gerontic in:

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