Girard form class

noun

The ratio of diameter inside bark at the top of the first 16-foot log to the diameter outside bark at breast height, used to estimate the board-foot volume of whole trees.

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Meanings

nounGirard form class (plural Girard form classes)

plural Girard form classes

  1. The ratio of diameter inside bark at the top of the first 16-foot log to the diameter outside bark at breast height, used to estimate the board-foot volume of whole trees.
Cite this entry
APA

Girard form class. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/Girard%20form%20class

MLA

“Girard form class.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Girard%20form%20class. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “Girard form class,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/Girard%20form%20class.

Source: Girard form class on Wiktionary, CC BY-SA 4.0.