intercalated

Wedged into sequence

Intercalated means inserted between existing elements or layers.

The term appears most often in technical contexts: in geology, an intercalated layer of rock lies sandwiched between other strata; in medicine, intercalated discs connect heart muscle cells.

The related verb intercalate describes this insertion: The drug intercalates into DNA, disrupting replication.

In calendar systems, an intercalated day or month is one added to synchronize with astronomical cycles—February 29th is an intercalated day.

insertion

embedded

Set firmly within something

injected · grafted · implanted · infused · interjected · introduced · incorporated · inlaid · spliced · slotted

geological

strata

Parallel geological layers

lamination · shale · limestone · sandstone · claystone · mudstone · siltstone · tuff · marl · chalk

chemistry

lattice

Openwork of crossed strips

ion-exchange · staging · compound · molecular · crystal · anode · cathode · battery

alternation

alternating

Occurring in turns

cycle · oscillation · rotation · succession · staggering · rhythm · seriation · turn-taking · interleaving · cadence

structural

laminated

Bonded between protective layers

composite · woven · interwoven · matrix · lattice · honeycomb · stacked · tiered · banded · plied

calendar

February

Second month, often shortest

quadrennial · synchronization · astronomical · timekeeping · equinoxes · chronology · lunisolar

Opposites
insertion position

intercalatedappended

Added as supplement

prefixed · suffixed · peripheral · external · terminal

structural integration

intercalatedextracted

Removed from source

removed · excised · withdrawn · separated · expelled

presence in structure

intercalatedexcluded

Shut out, denied entry

absent · omitted · free · uninserted · standalone

Family

calendar, interpolate, interleaved

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