Library / English Dictionary

AURORA

Pronunciation (US):

(GB):

Irregular inflected form: aurorae   

 I. (noun) 

Sense 1

Meaning:

(Roman mythology) goddess of the dawn; counterpart of Greek Eos

Classified under:

Nouns denoting people

Instance hypernyms:

Roman deity (a deity worshipped by the ancient Romans)

Domain category:

Roman mythology (the mythology of the ancient Romans)

Sense 2

Meaning:

An atmospheric phenomenon consisting of bands of light caused by charged solar particles following the earth's magnetic lines of force

Classified under:

Nouns denoting natural phenomena

Hypernyms ("aurora" is a kind of...):

atmospheric phenomenon (a physical phenomenon associated with the atmosphere)

Meronyms (parts of "aurora"):

streamer (light that streams)

Hyponyms (each of the following is a kind of "aurora"):

aurora australis; southern lights (the aurora of the southern hemisphere)

aurora borealis; northern lights (the aurora of the northern hemisphere)

Derivation:

auroral (of or relating to the atmospheric phenomenon auroras)

Sense 3

Meaning:

The first light of day

Example:

they talked until morning

Synonyms:

aurora; break of day; break of the day; cockcrow; dawn; dawning; daybreak; dayspring; first light; morning; sunrise; sunup

Classified under:

Nouns denoting time and temporal relations

Hypernyms ("aurora" is a kind of...):

hour; time of day (clock time)

Derivation:

auroral; aurorean (characteristic of the dawn)

Credits

 Context examples: 

Aurora A localizes in mitosis to the spindle poles and to spindle microtubules and is thought to regulate spindle assembly.

(Aurora Kinase Inhibitor MLN8054, NCI Thesaurus)

Upon oral administration, MEK/Aurora kinase inhibitor BI 847325 selectively binds to and inhibits the activity of MEK, which both prevents the activation of MEK-dependent effector proteins and inhibits growth factor-mediated cell signaling.

(MEK/Aurora Kinase Inhibitor BI 847325, NCI Thesaurus)

Tpx2 interacts with the microtubule motor protein Xklp2 and also activates the Aurora A mitotic kinase, required for spindle formation.

(Mitotic Spindle Regulation Pathway, NCI Thesaurus/BIOCARTA)

A small molecule inhibitor of the serine/threonine protein kinase Aurora kinase with potential antineoplastic activity.

(Aurora Kinase Inhibitor BI 811283, NCI Thesaurus)

Aurora kinase inhibitor AT9283 is a type of serine/threonine protein kinase inhibitor.

(Aurora kinase inhibitor AT9283, NCI Dictionary)

Any substance that inhibits Aurora kinase, a serine/threonine kinase that is involved in mitotic spindle morphology, centrosome function, chromatid separation, and cytokinesis.

(Aurora Kinase Inhibitor, NCI Thesaurus)

Aurora kinase C (309 aa, ~36 kDa) is encoded by the human AURKC gene.

(Aurora Kinase C, NCI Thesaurus)

A small-molecule inhibitor of Aurora kinases A, B and C with potential antineoplastic activity.

(Aurora Kinase Inhibitor AMG 900, NCI Thesaurus)

NASA's MAVEN spacecraft detected evidence of widespread auroras in Mars's northern hemisphere.

(Auroras on Mars, NASA)

The magnetic field causes aurorae, which are ribbons of glowing, hot electrified gas, in regions circling the north and south poles of the moon.

(Hubble Observations Suggest Underground Ocean on Jupiter's Largest Moon, NASA)