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BEDROCK
| Pronunciation (US): |  | (GB): | |
I. (noun)
Sense 1
Meaning:
Principles from which other truths can be derived
Example:
let's get down to basics
Synonyms:
basic principle; basics; bedrock; fundamental principle; fundamentals
Classified under:
Nouns denoting cognitive processes and contents
Hypernyms ("bedrock" is a kind of...):
principle (a basic truth or law or assumption)
Hyponyms (each of the following is a kind of "bedrock"):
ABC; ABC's; ABCs; alphabet; first principles; rudiments (the elementary stages of any subject (usually plural))
Sense 2
Meaning:
Solid unweathered rock lying beneath surface deposits of soil
Classified under:
Nouns denoting natural objects (not man-made)
Hypernyms ("bedrock" is a kind of...):
rock; stone (a lump or mass of hard consolidated mineral matter)
Context examples:
NASA's Curiosity Mars rover has found a target unlike anything it has studied before — bedrock with surprisingly high levels of silica.
(Curiosity Rover Inspects Unusual Bedrock, NASA)
Most existing models that lay out the origin of Titan's lakes show liquid methane dissolving the moon's bedrock of ice and solid organic compounds, carving reservoirs that fill with the liquid.
(New Models Suggest Titan Lakes Are Explosion Craters, NASA)
MacGregor studied the raw radar images that are used to map the topography of the bedrock beneath the ice, including those collected by NASA’s Operation IceBridge.
(NASA Finds Possible Second Impact Crater Under Greenland Ice, NASA)
Smith's fast retreat and thinning are likely related to the shape of its underlying bedrock.
(Studies Offer New Glimpse of Melting Under Antarctic Glaciers, NASA)
The collapse broke off almost all of the floating portions of the glaciers, leaving the parts that are grounded on bedrock.
(Wind, Warm Water Revved Up Melting Antarctic Glaciers, NASA)
The mix of minerals identified from the spectrometer data, including serpentine, talc and carbonate, and the shape and texture of the thick bedrock layers, led to identifying possible seafloor hydrothermal deposits.
(Mars Study Yields Clues to Possible Cradle of Life, NASA)
Saprolite, which Riebe refers to as rotten rock, is the zone of weathered rock that retains the relative positions of mineral grains of the parent bedrock and lies between the layer of soil and harder rock underneath.
(Study explores how rock expands near soil surface in Sierra Nevada, National Science Foundation)
The fact that these western lakes are small - just tens of miles across - but very deep also tells scientists something new about their geology: It's the best evidence yet that they likely formed when the surrounding bedrock of ice and solid organics chemically dissolved and collapsed.
(Cassini Reveals Surprises with Titan's Lakes, NASA)
Compositional data also show that the surface of Piri Planitia is more enriched in water ice (shown in false color as blue) than the higher plateaus, which may indicate that Piri Planitia’s surface is made of water ice bedrock, just beneath a layer of retreating methane ice.
(What’s Eating at Pluto?, NASA)
While busily investigating bedrock types on Mars' Mount Sharp and preparing for a drill test, NASA's Curiosity Mars rover has also been looking up frequently to monitor sunspots on the face of the sun that is turned away from Earth.
(Curiosity Mars Rover Tracks Sunspots, NASA)
