The interaction of elements that when combined produce a total effect greater than the sum of the individual elements.

To be after something generally refers to trying to obtain, achieve or reach something, to pursue a particular objective, or wanting to talk or interact with someone. It can also be used in the context of a time connotation, meaning that one event is following after another in sequence.

a large tendon that runs from the heel to the calf

several small veins from the pericardium

a place for the burial of a corpse (especially beneath the ground and marked by a tombstone)

United States historian (1888-1965)

miss a step and fall or nearly fall

a form to use when sending a telegram

showy tropical tree or shrub native to Madagascar; widely planted in tropical regions for its immense racemes of scarlet and orange flowers; sometimes placed in genus Poinciana

a collection of Zoroastrian texts gathered during the 4th or 6th centuries

a watch during the night (as from midnight to 8 a.m.)

a preparation made from iodinated protein and having an action similar to thyroxine

European perennial bellflower that grows in clumps with spreading stems and blue or white flowers

a government that concentrates political power in an authority not responsible to the people

family of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination

material that is radioactive