Warm blooded creatures that have a covering of fur or hair, and feed their young on milk.
Experiment is the word that defines an investigation in science that is controlled.
The word that defines comprehend or understand is "grasp."
Yes, a glossary defines a word, usually found in the back of the book.
The human being is a mammal.If it is not warm blooded then it is not a mammal.The elephant is a mammal.The duck is not a mammal.
The German word for mammal is Säugetier.
Re-energise best defines 'invigorate'.
Nocturnal mammal: bat
A mammal gives birth to live young. :)
sesquipedaliangrandstandingobfuscation
your attitude.
To inspect
Saturate