derm
61en|to|derm — «EHN tuh durm», noun. = endoderm. (Cf. ↑endoderm) …
62ex|o|derm — «EHK soh durm», noun. = ectoderm. (Cf. ↑ectoderm) ╂[< exo + Greek dérma skin] …
63he|lo|derm — «HEE luh durm», noun. the Gila monster or a related Mexican lizard. ╂[< New Latin Heloderma the genus name < Greek hêlos nail + dérma skin] …
64hy|po|derm — «HY puh durm, HIHP uh », noun. Zoology. the soft cellular layer under the shell of an arthropod. ╂[< New Latin hypoderma < Greek hypo under + dérma skin] …
65mes|o|derm — «MEHS uh durm, MEE suh », noun. 1. the middle layer of cells formed during the development of the embryo of an animal: »There is a third body layer, the mesoderm, that must be produced in order to lay the foundation for the body parts that are to …
66os|tra|co|derm — «OS truh koh durm», noun. any one of a large group of jawless, bony plated vertebrates of the Ordovician, Silurian, and Devonian periods. ╂[< New Latin ostracodermi name of the group < Greek ostrakódermos having a shell < óstrakon shell …
67pach|y|derm — «PAK uh durm», noun. 1. any one of certain thick skinned mammals with hoofs. The elephant, hippopotamus, and rhinoceros are pachyderms. 2. Figurative. a person who is not sensitive to criticism or ridicule; thick skinned person. ╂[< French… …
68per|i|derm — «PEHR uh durm», noun. the cork producing tissue of stems, together with the cork layers and other tissues derived from it. ╂[< German Peridermis < Greek peri + dérma skin] …
69phel|lo|derm — «FEHL uh durm», noun. Botany. a layer of parenchymatous cells often containing chlorophyll, formed in the stems and roots of some plants from the inner cells of the phellogen. ╂[< Greek phellós cork + dérma skin] …
70plac|o|derm — «PLAK uh durm», noun. any one of a class of extinct sharklike fishes having primitive jaws, and hard, bony plates covering the body. The placoderms were the marine counterparts of the armored dinosaurs. ╂[< Greek pláx, plakós flat surface +… …
