(evolutionary theory) The effect whereby an organism's ability to learn new behaviours affects its reproductive success and therefore changes the genetic makeup of its species through natural selection.

plural of Baldwin effect

plural of Sagnac effect

(geochemistry, often in the plural) A shift in stable isotope fractionation in biominerals from what is expected from the environmental conditions which is due to biological action.

(atmospheric chemistry) The decrease in the ratio of heavier to lighter isotopes of carbon in atmospheric carbon dioxide due to anthropogenic emissions.

(geology) The appearance of lower sedimentation rates in stratigraphic sections covering greater amounts of time, as a result of the relative rarity of geologic events that remove large amounts of sediment.

plural of ganzfeld effect

plural of Allee effect

A form of cognitive bias that causes individuals to appear more attractive to an observer when they are in a group.

(medicine) An unpleasant hypersensitivity to alcohol caused by various medications, including disulfiram.