Definition that contains lech
- silica a white or colorless vitreous insoluble solid (SiO2); various forms occur widely in the earth's crust as quartz or cristobalite or tridymite or lechatelierite
- welterweight a weight of 28 pounds; sometimes imposed as a handicap in a horse race (such as a steeplechase)
- steeplechaser a horse trained to run in steeplechases
- gelechia gossypiella larvae of a gelechiid moth introduced from Asia; feeds on the seeds of cotton bolls
- silicon oxide a white or colorless vitreous insoluble solid (SiO2); various forms occur widely in the earth's crust as quartz or cristobalite or tridymite or lechatelierite
- pink bollworm larvae of a gelechiid moth introduced from Asia; feeds on the seeds of cotton bolls
- family blechnaceae one of a number of families into which the family Polypodiaceae has been subdivided in some classification systems; includes genera Blechnum, Doodia, Sadleria, Stenochlaena, and Woodwardia
- genus gelechia type genus of the Gelechiidae: pink bollworms
- polypodiaceae ferns: a large family that in some classification systems has been subdivided into several families (including Aspleniaceae and Blechnaceae and Davalliaceae and Dennstaedtiaceae and Dryopteridaceae and Oleandraceae and Pteridaceae)
- family polypodiaceae ferns: a large family that in some classification systems has been subdivided into several families (including Aspleniaceae and Blechnaceae and Davalliaceae and Dennstaedtiaceae and Dryopteridaceae and Oleandraceae and Pteridaceae)