at. no.

American

abbreviation

atomic number.

at. no. British

abbreviation

atomic number

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Unlike “15 Big Ones,” “Love You” was not a hit, peaking at No. 53 — even lower than “Holland.”

From Los Angeles Times

At no time did it occur to me that this was the precise behavior I had judged in the ’70s Iranian activists and ’90s Southern evangelicals.

From The Wall Street Journal

Though they may have been suspected of fraud, at no time were the two youngest Fox sisters caught outright using chemicals, tools, or collaborators.

From Literature

Simplify debuts at No. 41, and it is the first time an all-ETF asset manager had enough funds across asset classes to qualify.

From Barron's

“The stranger was in the company of Handsome for quite a while, and at no time did Handsome ever feel threatened or in danger,” Duane pointed out.

From Literature

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023