Sanakirja.org

Määritelmät

Adjektiivi

1. Opposite in effect, nature or order.
2. Reverse, opposite in order.
3. (botany) Inverted; having a position or mode of attachment the reverse of that which is usual.
4. (mathematics) Having the properties of an inverse; said with reference to any two operations, which, when both are performed in succession upon any quantity, reproduce that quantity.
5. (geometry) That has the property of being an inverse (the result of a circle inversion of a given point or geometrical figure); that is constructed by circle inversion.
6. (category theory, of a category) Whose every element has an inverse (morphism which is both a left inverse and a right inverse).

Verbi

1. (surveying) To compute the bearing and distance between two points.

Substantiivi

1. An inverted state: a state in which something has been turned (properly) upside down or (loosely) inside out or backwards.
2. The result of an inversion, particularly:
3. The reverse of any procedure or process.
4. (mathematics) A ratio etc. in which the antecedents and consequents are switched.
5. (geometry) The result of a circle inversion; the set of all such points; the curve described by such a set.
6. (logic) The non-truth-preserving proposition constructed by negating both the premise and conclusion of an initially given proposition.
7. (mathematics) A second element which negates a first; in a binary operation, the element for which the binary operation—when applied to both it and an initially given element—yields the operation's identity element, specifically:
8. (addition) The negative of a given number.
9. (multiplication) One divided by a given number.
10. (functions) A second function which, when combined with the initially given function, yields as its output any term inputted into the first function.
11. (category theory) A morphism which is both a left inverse and a right inverse.
12. (card games) The winning of the coup in a game of rouge et noir by a card of a color different from that first dealt; the area of the table reserved for bets upon such an outcome.
13. (linguistics, Kiowa-Tanoan) A grammatical number marking that indicates the opposite grammatical number (or numbers) of the default number specification of noun class.