hy¡¤poth¡¤e¡¤sis ( P ) Pronunciation Key (h-pth-ss)
n. pl. hy¡¤poth¡¤e¡¤ses (-sz)
A tentative explanation for an observation, phenomenon, or scientific problem that can be tested by further investigation.
Something taken to be true for the purpose of argument or investigation; an assumption.
The antecedent of a conditional statement.
the¡¤o¡¤ry ( P ) Pronunciation Key (th-r, th?)
n. pl. the¡¤o¡¤ries
A set of statements or principles devised to explain a group of facts or phenomena, especially one that has been repeatedly tested or is widely accepted and can be used to make predictions about natural phenomena.
The branch of a science or art consisting of its explanatory statements, accepted principles, and methods of analysis, as opposed to practice: a fine musician who had never studied theory.
A set of theorems that constitute a systematic view of a branch of mathematics.
Abstract reasoning; speculation: a decision based on experience rather than theory.
A belief or principle that guides action or assists comprehension or judgment: staked out the house on the theory that criminals usually return to the scene of the crime.
An assumption based on limited information or knowledge; a conjecture.