Advertisement
Advertisement
nodule
[ noj-ool ]
noun
- a small node, knot, or knob.
- a small, rounded mass or lump.
- Botany. a tubercle.
nodule
/ 藞苍蓲诲箩耻藧濒 /
noun
- a small knot, lump, or node
- Also calledroot nodule any of the knoblike outgrowths on the roots of clover and many other legumes: contain bacteria involved in nitrogen fixation
- anatomy any small node or knoblike protuberance
- a small rounded lump of rock or mineral substance, esp in a matrix of different rock material
nodule
- A small, usually hard mass of tissue in the body.
- A small, knoblike outgrowth found on the roots of many legumes, such as alfalfa, beans, and peas. Nodules grow after the roots have been infected with nitrogen-fixing bacteria of the genus Rhizobium.
- See more at legume
- A small, rounded lump of a mineral or mixture of minerals that is distinct from and usually harder than the surrounding rock or sediment. Nodules often form by replacement of a small part of the rocks in which they form.
Derived Forms
- 藞苍辞诲耻濒补谤, adjective
亚洲网紅露点 History and Origins
亚洲网紅露点 History and Origins
Origin of nodule1
Example Sentences
The deep sea contains billions of tonnes of potato-shaped rocks, called polymetallic nodules, which are rich in critical minerals like cobalt and rare earths.
As companies eye the best patches of ocean to search for the precious sulphides and nodules, dubbed 鈥渢ruffles of the ocean,鈥 the waters near the Saya de Malha Bank have emerged as an attractive target.
Some sediment brought to the surface with the nodules gets dumped back into the ocean.
The initial discovery triggered a global scientific row - there was criticism of the findings from some scientists and from deep sea mining companies that plan to harvest the precious metals in the seabed nodules.
It is what scientists call a polymetallic nodule, created over millennia as minerals accumulate on the seabed.
Advertisement
Advertisement
Advertisement
Advertisement
Browse