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单词 rhizotron
释义

rhizotronn.

Brit. /ˈrʌɪzə(ʊ)trɒn/, U.S. /ˈraɪzəˌtrɑn/
Origin: Formed within English, by derivation. Etymons: rhizo- comb. form, -tron suffix.
Etymology: < rhizo- comb. form + -tron suffix.
Botany.
A shelter or structure, spec. an underground chamber with transparent walls or windows, used in the scientific study of plant roots.
ΚΠ
1966 W. H. Lyford & B. F. Wilson Harvard Forest Paper No. 16. 5 Once the new roots are growing on trays they are available for observation, measurement, or experiment. For intensive studies it is desirable to build an inexpensive shelter over the trays. We call such a structure a 'rhizotron' and the term will be used in this paper.
1969 H. M. Taylor in Circular Agric. Exper. Station Auburn Univ. No. 171. (heading) The rhizotron at Auburn, Alabama—a plant root observation laboratory.
1987 Tree Physiol. 3 393 Two-dimensional drawings are made of root systems growing against the inclined, transparent wall of a rhizotron.
2003 New Phytologist 160 533/1 Traditionally, large underground chambers, often referred to as rhizotrons, were used for root studies.
This is a new entry (OED Third Edition, June 2010; most recently modified version published online March 2022).
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n.1966
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