(fantasy) The unique name of an entity, which can be used to control or manipulate that entity.

(sciences) The density of the particles that make up a powder or particulate solid, in contrast to bulk density, which measures the average density of a large volume of the powder in a specific medium (usually air).

(geography) At a given point, the direction in which the geographic North Pole of the earth lies. / (figuratively) A correct course or right direction.

Any of various insects of the order Hemiptera and in particular of the suborder Heteroptera, that are wingless or have two pairs of wings, and have mouthparts adapted for piercing and sucking.

(Christianity) The cross on which Christ was crucified, particularly considered as a relic.

American spelling of true colours

The real character, belief or intent of a person or group who present a dishonest picture of their nature to the world.

(engineering) A dimensionless measure of object deformation; the natural logarithm of the ratio of the object's deformed length to its initial length, along some axis.

A member of the genus Turdus.

(idiomatic) One's real beliefs, sentiments, or character.