different between intrusion vs lamprophyre

English

Etymology

From Old French intrusion, from Medieval Latin intrusio

Pronunciation

• IPA^(key): /?n?t?u???n/
• Rhymes: -u???n

Noun

intrusion (countable and uncountable, plural intrusions)

1. The forcible inclusion or entry of an external group or individual; the act of intruding.

   He viewed sales calls as an unwelcome intrusion.
2. (geology) Magma forced into other rock formations; the rock formed when such magma solidifies.
3. A structure that lies within a historic district but is nonhistoric and irrelevant to the district.

Related terms

Translations

References

• intrusion in The Century Dictionary, New York, N.Y.: The Century Co., 1911.
• intrusion in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.

French

Noun

intrusion f (plural intrusions)

1. intrusion

Further reading

• “intrusion” in Trésor de la langue française informatisé (The Digitized Treasury of the French Language).

English

Etymology

Ancient Greek ??µ???? (laµprós) (lamprós) = "bright" and ???? (phúr?) (phýro) = "to mix".

Noun

lamprophyre (plural lamprophyres)

1. (geology) An uncommon, small-volume ultrapotassic igneous rock primarily occurring as dikes, lopoliths, laccoliths, stocks and small intrusions.