a material that reduces or prevents the transmission of heat or sound or electricity
insulant
Noun
a material that reduces or prevents the transmission of heat or sound or electricity
interleukin
Noun
any of several lymphokines that promote macrophages and killer T cells and B cells and other components of the immune system
igneous rock
Noun
rock formed by the solidification of molten magma
invertase
Noun
an enzyme that catalyzes the hydrolysis of sucrose into glucose and fructose
invert sugar
Noun
a mixture of equal parts of glucose and fructose resulting from the hydrolysis of sucrose
india paper
Noun
a thin tough opaque paper used in fine books
inorganic phosphate
Noun
a salt of phosphoric acid
intrinsic factor
Noun
a substance produced by the mucosa of the stomach and intestines that is essential for the absorption of vitamin B12
isoagglutinin
Noun
an antibody produced by one individual that causes agglutination of red blood cells in other individuals of the same species
isoagglutinogen
Noun
an antigen capable of causing the production of (or reacting with) an isoagglutinin
isoantibody
Noun
an antibody that occurs naturally against foreign tissues from a person of the same species
immunoglobulin
Noun
a class of proteins produced in lymph tissue in vertebrates and that function as antibodies in the immune response
immune serum globulin
Noun
a class of proteins produced in lymph tissue in vertebrates and that function as antibodies in the immune response
immune gamma globulin
Noun
a class of proteins produced in lymph tissue in vertebrates and that function as antibodies in the immune response
immune globulin
Noun
a class of proteins produced in lymph tissue in vertebrates and that function as antibodies in the immune response
immunoglobulin A
Noun
one of the most common of the five major classes of immunoglobulins
immunoglobulin D
Noun
one of the five major classes of immunoglobulins
immunoglobulin E
Noun
one of the five major classes of immunoglobulins
immunoglobulin G
Noun
one of the five major classes of immunoglobulins
immunoglobulin M
Noun
one of the five major classes of immunoglobulins
isothiocyanate
Noun
a family of compounds derived from horseradish and radishes and onions and mustards
iodopsin
Noun
a violet photopigment in the retinal cones of the eyes of most vertebrates
idocrase
Noun
a green or yellow or brown mineral consisting of a hydrated silicate
imide
Noun
any of a class of organic compounds that contain the divalent radical -CONHCO-
iron manganese tungsten
Noun
a mineral consisting of iron and manganese tungstate in crystalline form
incipiency
Noun
beginning to exist or to be apparent
incipience
Noun
beginning to exist or to be apparent
intercalation
Noun
an insertion into a calendar
Indian summer
Noun
a period of unusually warm weather in the autumn
ides
Noun
in the Roman calendar: the 15th of March or May or July or October or the 13th of any other month
intercalary year
Noun
in the Gregorian calendar: any year divisible by 4 except centenary years divisible by 400
iron age
Noun
(classical mythology) the last and worst age of the world
infinity
Noun
time without end
interregnum
Noun
the time between two reigns, governments, etc.
information age
Noun
a period beginning in the last quarter of the 20th century when information became easily accessible through publications and through the manipulation of information by computers and computer networks
ice age
Noun
any period of time during which glaciers covered a large part of the earth's surface
inning
Noun
(baseball) one of nine divisions of play during which each team has a turn at bat
inhale
Verb
to draw in air
inhale
Verb
to draw deep into the lungs in by breathing
inspire
Verb
draw in (air)
inspire
Verb
fill with revolutionary ideas
inspire
Verb
serve as the inciting cause of
inspire
Verb
spur on or encourage especially by cheers and shouts