frenetic (adj.) -- wildly excited or active; frantic; frenzied

gainly (adj.) -- graceful or well-formed; shapely
(adv.) -- conveniently or suitably

protrusive (adj.) -- tending to protrude; protruding: the protrusive fangs of some vague vampire's salivating gob

protrude (v) -- to push or thrust outward

guilloche (n) -- architecture an ornamental border formed of two or more curved bands that interlace to repeat a circular design

hornito (n) -- a low mound of volcanic origin, sometimes emitting smoke or vapor

stratigraphy (n) -- the study of rock strata, especially the distribution, deposition, and age of sedimentary rocks

stratum (n) -- a horizontal layer of any material, esp. one of several layers arranged one on top of another.
Usage Note: The pl. form is strata.

issuant (adj.) -- heraldry designating an animal with only the upper part depicted

noxious (adj.) -- harmful to living things; injurious to health