multiplication

「掛け合わせ」の訳語として選ばれているけど、それはニュアンス違うのでは、と思っている

掛け合わせとは何か

デジタル大辞泉

かけ‐あわせ〔‐あはせ〕【掛（け）合（わ）せ】

１ 交配すること。また、その結果生じたもの。

２ 2種以上の色を重ねること。

cross-discipline

crossdisciplinary (comparative more crossdisciplinary, superlative most crossdisciplinary)

Spanning several disciplines.

cross-disciplinarity (uncountable)

Combining and connecting different disciplines.

interlock (third-person singular simple present interlocks, present participle interlocking, simple past and past participle interlocked)

(transitive, intransitive) To fit or clasp together securely.

To interlace.

intersection (plural intersections)

The junction of two (or more) paths, streets, highways, or other thoroughfares.

Any overlap, confluence, or crossover.

(geometry) The point or set of points common to two geometrical objects (such as the point where two lines meet or the line where two planes intersect).

(set theory) The set containing all the elements that are common to two or more sets.

(category theory) The pullback of a corner of monics.

crossover

crossover (countable and uncountable, plural crossovers)

A place where one thing crosses over another.

The means by which the crossing is made.

overlap