First Known Use: 1938
Dictionary
cline
noun \ˈklīn\
Definition of CLINE
: a gradient of morphological or physiological change in a group of related organisms usually along a line of environmental or geographic transition
— clin·al \ˈklī-nəl\ adjective
— clin·al·ly \-nə-lē\ adverb
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Origin of CLINE
Greek klinein
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