intercalation

noun — 3 senses

intercalation

noun

Etymology From Latin intercalō, from inter (“among”) + calō (“call out, proclaim”).

1

A period inserted into a calendar as in a leap year.

2

Chemistry, Natural sciences, Physical sciences Physical The reversible insertion of a molecule between two others.

3

Geography, Geology, Natural sciences A layer introduced into a pre-existing sequence.

  • Their exact relationship to the host-rock is obscure but from their texture and observed metamorphic relationship they are thought to be intrusive dykes rather than intercalations of more basic lava.1968, Transactions of the Geological Society of South Africa, page 148:
Derived terms
bisintercalation, cointercalation, deintercalation, intercalation compound, monointercalation
Related terms
intercalant, intercalary, intercalate, intercalated, bissextile, bissextile month, bissextile year, leap year, leap day

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.