compositum

Etymology
From.

Noun

 * 1)  Given a field extension F/K and subextensions A and B, the smallest subextension that contains both A and B.
 * 2) * 1998, Iain T. Adamson (translator),, The Theory of Algebraic Number Fields, [1897, D. Hilbert, ], Springer, page 98,
 * Of particular interest is the case in which the discriminants of the fields forming the compositum are relatively prime.

Usage notes

 * Denoted $$A\cdot B$$.
 * It is the same as the image of the homomorphism $$h:(A\otimes_k B)\to F$$ that maps the tensor product $$a\otimes b \to ab$$.

Etymology
Inflected form of ; the noun is the substantivised neuter form.

Noun

 * 1) that which is agreed; an agreement, compact, etc.
 * 2) compound word, compound
 * 1) compound word, compound

Usage notes

 * This noun also appears (in the ablative only) in the phrases  and , as well as more rarely (in the same sense) alone as.