SPECTRUM n.
nder high pressure. -- Diffraction spectrum, a spectrum produced by diffraction, as by a grating. -- Gaseous spectrum, the spectrum of an incandesoent gas or vapor, under moderate, or especially under very low, pressure. It is characterized by bright bands or lines. -- Normal spectrum, a representation of a spectrum…
TIN n.
Chem.), the peculiar creaking noise made when a bar of tin is bent. It is produced by the grating of the crystal granules on each other. -- Tin foil, tin reduced to a thin leaf. -- Tin frame (Mining), a kind of buddle used in washing tin ore. -- Tin liquor, Tin mordant (Dyeing), stannous chloride, used as a mordant…
TOOTH n.
e (Zoöl.), any sertularian hydroid. -- Tooth edge, the sensation excited in the teeth by grating sounds, and by the touch of certain substances, as keen acids. -- Tooth key, an instrument used to extract teeth by a motion resembling that of turning a key. -- Tooth net, a large fishing net anchored. [Scot.] Jamieson.…