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

May 29, 2025

sledge

- a vehicle mounted on runners and pulled by horses or dogs; for transportation over snow

ایک گاڑی جو برف پر گہوڑے وغیرہ کی مدد سے کھینچی جاتی ہے,لکڑی کے پہیوں والی گاڑی جس جو جانور چلاتے ہیں

ReadersEnglish.com's free ESL (English as a Second Language) course is designed for Urud/Hindi speakers. Click Here to learn more about this course

Poultry Farm Software A complete web based software for poultry farms. Daily egg production, ... Read more