cone-bearing
cone-bearing — adjective
1. describes trees, shrubs, and woody plants that grow cones — the hard, dry, scale
describes trees, shrubs, and woody plants that grow cones — the hard, dry, scale-covered structures that hold their seeds — such as pines, firs, spruces, and cycads.
Pine trees are cone-bearing plants that grow well in cold northern areas.
collocation: cone-bearing plants
Ryo pointed to a tall cone-bearing tree and said it was a spruce.
named species example: spruce
Many cone-bearing trees, such as firs, keep their leaves all winter.
The park ranger showed the children how cone-bearing plants spread their seeds.
A small cone-bearing shrub grew along the edge of the mountain path.
- coniferous
the scientific term for trees that bear cones; narrower than cone-bearing because it excludes cycads and other non-conifer cone-producers
- evergreen
broader in meaning — describes any tree that stays green year-round, not all of which produce cones (e.g., holly)
文法句型
cone-bearing + noun
cone-bearing — noun
1. a machine part that holds a rotating shaft and contains a sliding sleeve shaped
a machine part that holds a rotating shaft and contains a sliding sleeve shaped like a cone, which can move lengthwise to make up for the small amount of material worn away during use.
The engineer checked each cone-bearing in the motor for signs of wear.
Liam cleaned the cone-bearing and adjusted the sleeve until the shaft ran smoothly.
verb collocation: clean + cone-bearing, adjust + sleeve
Caleb slid the cone-bearing's tapered sleeve at the steel mill to make up for months of shaft wear.
The factory replaced all the old cone-bearings in the main power unit.
- tapered bearing
a more general term for any bearing with a tapered shape, not limited to the sleeve-adjusting design
- adjustable journal bearing
a longer, more descriptive term for the same mechanical part