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Webster 1913 Edition
Intercalation
In-terˊca-la′tion
,Noun.
[L.
intercalatio
: cf. F. intercalation
.] 1.
(Chron.)
The insertion of a day, or other portion of time, in a calendar.
2.
The insertion or introduction of anything among others, as the insertion of a phrase, line, or verse in a metrical composition;
specif.
(Geol.)
, the intrusion of a bed or layer between other layers.
Intercalations
of fresh-water species in some localities. Mantell.
Webster 1828 Edition
Intercalation
INTERCALA'TION
,Noun.