From Longman Dictionary of Contemporary Englishetiolatede‧ti‧o‧lat‧ed /ˈiːtiəleɪtɪd/ adjective 1 literaryWEAK pale and weak2 technicalHBP a plant that is etiolated is weak and not very green because it has not received enough light —etiolation /ˌiːtiəˈleɪʃən/ noun [uncountable]Origin etiolated (1700-1800) French étioler, from Old North French étieuler “to leave short stiff pieces after a field of wheat has been cut”, from Latin stipula “straw”