oligotrophn.adj.

Brit.

/ˈɒlᵻɡə(ʊ)ˌtrəʊf/, U.S.

/ˈɑləɡoʊˌtroʊf/,

/ˈoʊləɡoʊˌtroʊf/

Origin: Formed within English, by compounding. Etymons: oligo- comb. form, -troph comb. form.

Etymology: < oligo- comb. form + -troph comb. form, after oligotrophic adj.In adjectival use perhaps after German oligotroph, adjective (see oligotrophic adj.).

Ecology.

An organism that lives in oligotrophic conditions. Also as adj.

ΚΠ

1942 Ecology 23 409 The oxygen supply of the hypolimnion becomes depleted, with disastrous effects on the oligotroph-conditioned bottom fauna.

1973 Jrnl. Appl. Ecol. 10 569 (title) Elements of a functional definition of oligotroph humus based on the nitrogen nutrition of forest stands.

1987 J. S. Poindexter in Ecol. Microbial Communities 302 The hypothesis regarding the unlikelihood of selection for chemotaxis in oligotrophs appears quite vulnerable.

1999 Limnol. & Oceanogr. 44 1889 Responsiveness was further confirmed by high oligotrophic capacities that overlapped with and exceeded those reported for pure cultures of oligotrophs.

This is a new entry (OED Third Edition, March 2004; most recently modified version published online March 2022).

单词	oligotroph
释义	oligotrophn.adj. Brit. /ˈɒlᵻɡə(ʊ)ˌtrəʊf/, U.S. /ˈɑləɡoʊˌtroʊf/, /ˈoʊləɡoʊˌtroʊf/ Origin: Formed within English, by compounding. Etymons: oligo- comb. form, -troph comb. form. Etymology: < oligo- comb. form + -troph comb. form, after oligotrophic adj.In adjectival use perhaps after German oligotroph, adjective (see oligotrophic adj.). Ecology. An organism that lives in oligotrophic conditions. Also as adj. ΚΠ 1942 Ecology 23 409 The oxygen supply of the hypolimnion becomes depleted, with disastrous effects on the oligotroph-conditioned bottom fauna. 1973 Jrnl. Appl. Ecol. 10 569 (title) Elements of a functional definition of oligotroph humus based on the nitrogen nutrition of forest stands. 1987 J. S. Poindexter in Ecol. Microbial Communities 302 The hypothesis regarding the unlikelihood of selection for chemotaxis in oligotrophs appears quite vulnerable. 1999 Limnol. & Oceanogr. 44 1889 Responsiveness was further confirmed by high oligotrophic capacities that overlapped with and exceeded those reported for pure cultures of oligotrophs. This is a new entry (OED Third Edition, March 2004; most recently modified version published online March 2022). < n.adj.1942
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