English English Dictionary
Dictionary
The study or science of the life of marine organisms.
A German silver coin worth about three shillings sterling, or about 73 cents.
That one of the nine Muses who presided over comedy.
One of the three Graces.
One of the Nereids.
A division of Tunicata comprising the free-swimming species, such as Salpa and Doliolum.
Of or pertaining to Thalia; hence, of or pertaining to comedy; comic.
A salt of a hypothetical thallic acid.
A hydrocarbon obtained from coal-tar residues, and remarkable for its intense yellowish green fluorescence.
of Thallus
Of or pertaining to thallium; derived from, or containing, thallium; specifically, designating those compounds in which the element has a higher valence as contrasted with the thallous compounds; as, thallic oxide.
Consisting of a thallus.
An artificial alkaloid of the quinoline series, obtained as a white crystalline substance, C10H13NO, whose salts are valuable as antipyretics; -- so called from the green color produced in its solution by certain oxidizing agents.
See Thallous.
A rare metallic element of the aluminium group found in some minerals, as certain pyrites, and also in the lead-chamber deposit in the manufacture of sulphuric acid. It is isolated as a heavy, soft, bluish white metal, easily oxidized in moist air, but preserved by keeping under water. Symbol Tl. Atomic weight 203.7.
One of a large class or division of the vegetable kingdom, which includes those flowerless plants, such as fungi, algae, and lichens, that consist of a thallus only, composed of cellular tissue, or of a congeries of cells, or even of separate cells, and never show a distinction into root, stem, and leaf.
Resembling, or consisting of, thallus.
Same as Thallogen.
Of or pertaining to thallium; derived from, or containing, thallium; specifically, designating those compounds in which the element has a lower valence as contrasted with the thallic compounds.
A solid mass of cellular tissue, consisting of one or more layers, usually in the form of a flat stratum or expansion, but sometimes erect or pendulous, and elongated and branching, and forming the substance of the thallogens.