18-letter words containing m, e, d, i, c
- vitamin deficiency — a lack of a vitamin or vitamins needed for good health
- watchdog committee — a committee responsible for monitoring standards of behaviour
- watson-crick model — a widely accepted model for the three-dimensional structure of DNA, featuring a double-helix configuration for the molecule's two hydrogen-bonded complementary polynucleotide strands.
- widemouth blindcat — any of several catfishes, as Satan eurystomus (widemouth blindcat) of Texas, that inhabit underground streams and have undeveloped eyes and unpigmented skin.