INTERCALATE

/ɪnˈtɜː.kəl.eɪt/

Scrabble

WWF

I(1) N(1) T(1) E(1) R(1) C(3) A(1) L(1) A(1) T(1) E(1)

NWL/TWL ✓ Collins ✓ WWF ✓

Definition

/ɪnˈtɜː.kəl.eɪt/

verb

To insert an extra leap day into a calendar in order to maintain synchrony with natural phenomena.
To insert an extra month into a calendar for the same purpose. The Hebrew calendar has such a month.
To insert a substance between two or more molecules, bases, cells, or tissues.