Education Terms 2026 |
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,Acceleration A change in velocity
Acute An angle measuring less than 90 degrees
Affix A linguistic set of letters added to a word to affect its meaning. For example, the
word decompression has two—the prefix de- (meaning to separate, to stop, to
contradict, etc.) and the suffix -ion (meaning that the word refers to a condition or
process).
Alfred Russell Wallace British naturalist who crafted his theory of evolution independently but concurrently
with Charles Darwin.
Allies This term commonly refers to the US, Russian, Great Britain, and numerous other
countries who opposed the Axis powers during World War II
Alphabetic principle The idea that letters systematically represent spoken sounds
Ammonification The production of ammonia when decomposition of organic matter occurs.
Analytic Phonics Phonics instruction that uses known words to teach phonemes and their attendant
graphemes
Anion Atom or group of atoms with a negative electrical charge
Apartheid means "separateness" in Afrikaans, and refers to the systematic division of black
and white South Africans beginning in 1948.
Appositive A noun used with another noun to provide further clarification or description. For
example, "The writer Hemmingway made his home in Key West ."
Assimilation The taking in of digested substances from food into the tissues.
, Atom Smallest particle of an element that retains its properties; smallest distinct unit of an
element
Atomic bomb A nuclear weapon. Two bombs of this type have been used militarily to date, both
on Japanese cities at the end of World War II.
Atomic mass Sum of the number of protons and neutrons in the nucleus of an atom.
Automaticity Speedy and accurate word identification at the single word level
Axis This term commonly refers to Italy, Germany, Japan, and other countries who fought
against the Allies during World War II.
Balances A weighing device with a rigid beam and counterweight
Barter To trade goods or services (money is not involved)
Base angles In an isosceles triangle, the two angles opposite the two congruent sides.
Black Codes usually refers to the laws passed in the South after the Civil War to regulate the
freedom of former slaves; in a larger sense, the term can apply to all laws (North
and South) that affected slaves and former slaves.
Bolsheviks means "majority" in Russian, and this term refers to the Marxist party that seized
power in Russia in 1917. They were led by Vladimir Lenin.
Buddha The founder of the Buddhist religion. An Indian spiritual teacher of the sixth century,
his given name was a Siddharta. The word "buddha" means "awakened one."
Bunsen burner A very small laboratory burner that produces a hot flame from a mixture of air and
gas taken in at its base.