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n. pl. gra·na (-nə)
A membranous structure within a chloroplast made up of stacks of thylakoids.

[Latin grānum, seed; see grain.]


(Botany) botany any of the membrane layers in a chloroplast


(ˈgreɪ nəm)

n., pl. -na (-nə).
1. (in prescriptions) a grain.
2. one of the structural units of a chloroplast in vascular plants, consisting of layers of thylakoids.
[1890–1900; < Latin]
References in periodicals archive ?
Also planting a tree on Saturday was Taylee Granum, 10, of Salem.
ALFRED "AL" GRANUM, viewed by many as a leader and innovator in the financial services industry, died Jan.
King, MSM, has been appointed as the Executive Director of the Northwestern Mutual Granum Center for Financial Security.
Granum A/1 is the project's exterior design architect, while HOK is serving as the architect of record.
8220;I want my grandson to have a healthy dessert alternative,” says Mike Granum, the company's founder, adding that “He is my inspiration.
Robert "Bob" Granum, founder and senior chairman of the board of Panel Processing Inc.
The UOTF is a critical element of the JCTC capabilities being demonstrated during the TS'07 exercise," said Dianna Granum, vice president of business development for Readiness Systems and Cubic's Australasia Account Manager.
2 million over the next five years to The American College to create The Northwestern Mutual Granum Center for Financial Security.
During the 2003 legislative session, according to a radio ad by Fred Granum, state Rep.
Granum has certified all of its black and green teas (bulk and bag) that are eligible for certification.