optical crown

(Pronunciation -تلفظ سنیۓ ) US:

Slow

Normal

Noun: optical crown

1. optical crown [ Synonyms: crown glass, optical crown glass]
Optical glass of low dispersion and low refractive index

Generic Words:

optical glass

Word of the day

March 31, 2025

manifest

- a customs document listing the contents put on a ship or plane

ایک کسٹم دستاویز ایک بحری جہاز یا جہاز پر رکھی گئی مواد کی فہرست میں شامل ہے.

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