Words that rhyme with niobium

cambium 0
n 1: a formative one-cell layer of tissue between xylem and phloem in most vascular plants that is responsible for secondary growth 2: the inner layer of the periosteum
columbium 0
n 1: a former name for niobium
erbium 0
n 1: a trivalent metallic element of the rare earth group; occurs with yttrium [syn: erbium, Er, atomic number 68]
labium 0
n 1: a liplike structure that bounds a bodily orifice (especially any of the four labiate folds of a woman's vulva)
terbium 0
n 1: a metallic element of the rare earth group; used in lasers; occurs in apatite and monazite and xenotime and ytterbite [syn: terbium, Tb, atomic number 65]
ytterbium 0
n 1: a soft silvery metallic element; a rare earth of the lanthanide series; it occurs in gadolinite and monazite and xenotime [syn: ytterbium, Yb, atomic number 70]
procambium 0