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Comprehensive
Dictionary Suite
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acoustics the aspects of a room or space that make sounds easy or difficult to hear (used with a plural verb).
acquaintance (used with a pl. verb) the people one knows, considered collectively. [1/3 definitions]
acrobatics (used with a sing. verb) the art of performing gymnastic feats. [2/3 definitions]
action verb a verb that shows its subject performing some action. "Run," "eat," "fly," and "sing" are examples of action verbs.
active used in grammar to describe a form of the verb that emphasizes the person or thing who performs the action. In the sentence "John ate the apple," the verb "ate" is in an active form. In the sentence "The apple was eaten by John," the verb is in a passive form. [1/2 definitions]
adv. abbreviation of "adverb," in grammar, a word that modifies a verb, adjective, or other adverb or adverbial phrase.
adverb a word that describes a verb, adjective, adverb, or whole sentence. When a word is an adverb, it describes how or when or where we do things. Words like "tomorrow," "here," "there," "slowly," and "usually" are adverbs. Adverbs also go in front of other adverbs or adjectives to describe those words.
aerobatics (used with a sing. or pl. verb) spectacular stunts, such as rolls, loops, and dives, performed by an airplane or glider.
aerobics (used with a singular or plural verb) a form of exercise that works the heart and lungs to help the body use oxygen better. Running, swimming, biking, or dance are forms of aerobics.
aerodynamics (used with a sing. verb) a science that deals with the dynamics of air and other gases and with the forces acting on objects that move through them.
aeromechanics (used with a sing. verb) the science of air or gases in motion or equilibrium.
aeronautics (used with a singular verb) a science that deals with making and flying aircraft.
aerostatics (used with a sing. verb) the branch of aeromechanics that deals with gases in equilibrium and with the equilibrium of airborne bodies or aircraft under changing atmospheric conditions.
aesthetics (used with a sing. verb) a branch of philosophy that deals with formal beauty in art.
agreement in grammar, correspondence between the number, person, or grammatical gender of two syntactically connected words, esp.that of subject and verb or adjective and noun. [1/5 definitions]
aloe (pl.) a drug derived from the bitter juice of the aloe leaves (used with a sing. verb). [1/2 definitions]
am a form of the verb be that is present tense and used with the pronoun "I."
amends (used with a singular or plural verb) something given or paid to make up for a wrong done to a person or group.
Amish (used with a pl. verb) the people of this sect (prec. by "the"). [1/3 definitions]
analytics (used with a sing. verb) the branch of logic that deals with the process of analyzing.
apologetics (used with a sing. verb) the branch of theology dealing with the defense and proof of a religious faith, esp. Christianity.