What is the origin of the word keystone?
keystone (n.) 1) in figurative sense of “that which holds together other parts,” or from its Middle English architectural sense “projecting ornament of at the intersections of ribs of vaulted or flat ceilings” (mid-14c.).
How do you use the word keystone?
Use “keystone” in a sentence | “keystone” sentence examples
- Changes to the welfare system are the keystone of the government’s reforms.
- Keeping inflation low is the keystone of their economic policy.
- The keystone of any personal injury case is medical evidence.
What is keystone in a sentence?
the central building block at the top of an arch or vault. 1. Changes to the welfare system are the keystone of the government’s reforms. 2. Keeping inflation low is the keystone of their economic policy.
What was the significance of the word features?
A feature is a distinctive trait or a special attraction. Feature can also mean to give special attention to something. The word feature has several other senses as a noun and a verb. A feature is a unique quality or characteristic that something has.
What is a synonym for keystone species?
synonyms. 9 other terms for keystone species. ecosystem engineer. crucial species for the ecosystem. key species.
What’s a keystone species example?
For example, the lion, jaguar (shown below), and gray wolf are considered keystone species as they help balance large ecosystems (e.g., Central and South American rainforests) by consuming a wide variety of prey species.
How do you explain the word feature?
1a : the structure, form, or appearance especially of a person a man of large feature. b obsolete : physical beauty. 2a : the makeup or appearance of the face or its parts stern of feature even when he smiled. b : a part of the face : lineament a person with Asian features.
What are main features?
The main thing is the most important one of several similar things in a particular situation.
What is the best definition of a keystone species?
A keystone species is an organism that helps define an entire ecosystem. Without its keystone species, the ecosystem would be dramatically different or cease to exist altogether. The ecosystem would be forced to radically change, allowing new and possibly invasive species to populate the habitat.
What are keystone species give example?
Beaver. The American Beaver (Castor canadensis) is one example of a keystone species in North America. In any arrangement or community, the “keystone” is considered one of the most vital parts. In a marine ecosystem, or any type of ecosystem, a keystone species is an organism that helps hold the system together.
What is the most important keystone species?
Bee. Bees have been declared the most important species on the planet, which comes as no surprise as they provide food and shelter to a humongous diversity of organisms. Bees make perfect examples of keystone species, they promote sustainability among ecosystems by cross-pollinating many different plant species.
Which is the best definition of the word Keystone?
Definition of keystone. 1 : the wedge-shaped piece at the crown of an arch that locks the other pieces in place — see arch illustration.
What does the Keystone mean in an arch?
A keystone is a stone at the top of an arch, which keeps the other stones in place by its weight and position.
Where can you find a keystone in a church?
Bossed keystone in the ceiling of an apse chapel ( Toulouse Cathedral ) Arches with equal-size voussoirs and keystones, Mosque of Cordoba, Spain. Dropped keystone on a German church. Doors and windows with decorated keystones, Munich.
Why does a Keystone need to be placed in a vault?
Although a masonry arch or vault cannot be self-supporting until the keystone is placed, the keystone experiences the least stress of any of the voussoirs, due to its position at the apex. Old keystones can decay due to vibration, a condition known as bald arch .
What is the meaning of the word Keystone?
The term consists of the two words, i.e., ‘keystone’ and ‘markup.’ The word ‘keystone’ is a wedge-shaped piece of the crown of an arch that holds the whole structure together. It is also something on which associated things rely on for support. In biology, a keystone species is a species that has a major impact on its ecosystem.
A keystone is a stone at the top of an arch, which keeps the other stones in place by its weight and position.
Which is the correct definition of Keystone markup?
Keystone markup – definition and meaning. Keystone markup or keystone pricing refers to selling something at double its wholesale price or its cost. In other words, a keystone markup occurs when there is a gross margin of 100 percent of the cost price. Alternatively, the markup is fifty percent of the sale price.
Which is the keystone of modern civilization in the Bible?
Example: Trade is the Keystone of modern civilization. This is just a fairly short post meant to sort out any lingering confusion as to the proper location of what the Bible repeatedly calls the ‘Cornerstone’. That particular location, of course, has been considered to always be Below, rather than Above.
