Lb
From Sealing Technology & Engineering Glossary
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| Name | Lb |
| Definition | Abbreviation for pound, a non-SI unit of mass used in the U.S. customary and imperial systems legally defined as exactly 0.45359237 kilograms; lb is an abbreviation of the Latin word libra found in the term libra pondo, meaning “pound weight.” The word pound is derived from the word pondo. |
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