iono-comb. form

Stress is usually determined by a subsequent element and vowels may be reduced accordingly.

Origin: Formed within English, by compounding. Etymons: ion n., -o- connective.

Etymology: < ion n. + -o- connective. Compare German Iono- (formations in which are found from at least the end of the 19th cent.).Attested earliest at the beginning of the 20th cent., earliest in ionogen n., perhaps after a German model. Combining with second elements ultimately of Greek or Latin origin.

Forming words relating to ions or the ionosphere, as ionogen n., ionogram n.

This entry has been updated (OED Third Edition, March 2012; most recently modified version published online January 2018).

单词	iono-
释义	iono-comb. form Stress is usually determined by a subsequent element and vowels may be reduced accordingly. Origin: Formed within English, by compounding. Etymons: ion n., -o- connective. Etymology: < ion n. + -o- connective. Compare German Iono- (formations in which are found from at least the end of the 19th cent.).Attested earliest at the beginning of the 20th cent., earliest in ionogen n., perhaps after a German model. Combining with second elements ultimately of Greek or Latin origin. Forming words relating to ions or the ionosphere, as ionogen n., ionogram n. This entry has been updated (OED Third Edition, March 2012; most recently modified version published online January 2018). < comb. form
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