The induction of early menarche in prepubescent mice due to exposure to the urine of a mature dominant male mouse.

plural of skin effect

The continuous worldwide increase in average scores on intelligence tests.

plural of eureka effect

plural of butterfly effect

The phenomenon whereby a liquid, in near contact with a mass significantly hotter than the liquid's boiling point, produces an insulating vapour layer which keeps the liquid from boiling rapidly.

(psychology) The effect that a subject has a longer reaction time when naming the colours of words if the words describe colours other than their own (such as "red" printed in blue ink).

(cryptography) A property of some cipher systems in which a small change in the input results in a very large change in the output.

plural of field effect

The use of the relative movement and gravity of a planet or other celestial body to alter the path and speed of a spacecraft.