Examlex
No visible light can escape a black hole,but things such as gamma rays,X-rays,and neutrinos can.
Circular
Shaped like or nearly resembling a circle; having the form or attributes of a circle.
Differentia
The characteristic or set of characteristics that distinguishes one entity or concept from another within the same group or category.
Genus
In biology, a rank used in the classification of organisms that groups together species sharing common characteristics; in logic, it refers to a general term that describes a broad category.
Differentia
This refers to the traits or attributes that allow us to distinguish between different species within the same genus.
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