Abbreviations and Specific Names. Abbreviations and acronyms based on proper nouns should be written in all capital letters. In most cases, derivative words do not need to be capitalized. This applies to terms based on a professionalâs surname that are used in a general sense today.
Length times width times depth (L x W x D) measures cubic feet and must be measured in feet.
Length, width, height, and depth are nouns are derived from the adjectives long, wide, high, and deep, and follow a common English pattern that involves a vowel change (often to a shorter vowel) and the addition of th. (The lone t in height is modern.eople often ask about the correct use of length, width, height, and depth. In the most common contexts in elementary school, mathematics does not have a formal definition for these terms, nor does it have rules about proper use. But natural usage does follow some conventions. (See below.).