a segment of DNA that can become integrated at many different sites along a chromosome (especially a segment of bacterial DNA that can be translocated as a whole)
tektite
Noun
thought to derive from meteorites
toxic waste
Noun
poisonous waste materials
tachylite
Noun
a basic or basalt glass
toxic industrial waste
Noun
poisonous waste materials
taconite
Noun
a variety of chert containing magnetite and hematite
twins
Noun
(mineralogy) two interwoven crystals that are mirror images on each other
turpentine
Noun
volatile liquid distilled from an oleoresin obtained from pine trees
turps
Noun
volatile liquid distilled from turpentine oleoresin
triglyceride
Noun
glyceride occurring naturally in animal and vegetable tissues
trinitroglycerin
Noun
a heavy yellow poisonous oily explosive liquid obtained by nitrating glycerol
thyroprotein
Noun
a preparation made from iodinated protein and having an action similar to thyroxine
thyroglobulin
Noun
an iodine containing protein that is obtained from the thyroid gland and exhibits the general properties of the globulins
tripoli
Noun
a weathered and decomposed siliceous limestone
tuff
Noun
hard volcanic rock composed of compacted volcanic ash
tufa
Noun
hard volcanic rock composed of compacted volcanic ash
tufa
Noun
a soft porous rock consisting of calcium carbonate deposited from springs rich in lime
tartar emetic
Noun
a poisonous colorless salt used as a mordant and in medicine
tartrate
Noun
a salt or ester of tartaric acid
tall oil
Noun
an oil derived from wood pulp and used in making soaps or lubricants
tetradecanoic acid
Noun
a saturated fatty acid occurring naturally in animal and vegetable fats
tar paper
Noun
a heavy paper impregnated with tar and used as part of a roof for waterproofing
ticker tape
Noun
a continuous thin ribbon of paper on which stock quotes are written
triacetate
Noun
cellulose acetate that is relatively slow to burn
trichloride
Noun
any compound containing three chlorine atoms in each molecule
transcriptase
Noun
the enzyme that copies DNA into RNA
tetrabromo-phenolsulfonephthalein
Noun
a dye used as an acid-base indicator
tallow
Noun
obtained from suet and used in making soap, candles and lubricants
tetanus antitoxin
Noun
antitoxin given for short-term immunization against tetanus in cases of possible exposure to the tetanus bacillus
toxin antitoxin
Noun
a mixture of toxin and antitoxin used to immunize against a disease
tin pyrites
Noun
a dark grey mineral with a metallic luster that is a source of tin
tetanus immunoglobulin
Noun
sterile solution of globulins derived from the blood plasma of a person who has been immunized for tetanus
tetanus immune globulin
Noun
sterile solution of globulins derived from the blood plasma of a person who has been immunized for tetanus
toxin
Noun
a poisonous substance produced during the metabolism and growth of certain microorganisms and some higher plant and animal species
toxoid
Noun
a bacterial toxin that has been weakened until it is no longer toxic but is strong enough to induce the formation of antibodies and immunity to the specific disease caused by the toxin
thrombocyte
Noun
tiny bits of protoplasm found in vertebrate blood
tetrasodium pyrophosphate
Noun
a sodium salt of pyrophosphoric acid used as a builder in soaps and detergents
triazine
Noun
any of three isomeric compounds having three carbon and three nitrogen atoms in a six-membered ring
tri-chad
Noun
a chad that is incompletely removed and still attached at three corners
trichloroacetic acid
Noun
a strong acid made by chlorinating acetic acid
trichloracetic acid
Noun
a strong acid made by chlorinating acetic acid
tridymite
Noun
a mineral form of silica
triolein
Noun
a naturally occurring glyceride of oleic acid that is found in fats and oils
trimer
Noun
a polymer (or a molecule of a polymer) consisting of three identical monomers
trioxide
Noun
an oxide containing three atoms of oxygen in the molecule
tripalmitin
Noun
a triglyceride of palmitic acid
triphosphopyridine
Noun
a pyridine ring with three phosphorus groups
triphosphopyridine nucleotide
Noun
a coenzyme of several enzymes
triphosphoric acid
Noun
an acid that is a partial anhydride of three molecules of phosphoric acid
trisaccharide
Noun
any of a variety of carbohydrates that yield three monosaccharide molecules on complete hydrolysis