A modal auxiliary verb, often simply called a modal verb or even just a modal, is used to change the meaning of other verbs (commonly known as main verbs) by expressing modalityâthat is, asserting (or denying) possibility, likelihood, ability, permission, obligation, or future intention.
Euthymia (medicine) Euthymia is a normal non-depressed, reasonably positive mood. It is distinguished from hyperthymia, which refers to an extremely happy mood, and dysthymia, which refers to a depressed mood. It is a term used frequently in mental status exams.
Medical Definition of THYMINE. : a pyrimidine base C5H6N2O2 that is one of the four bases coding genetic information in the polynucleotide chain of DNAâcompare adenine, cytosine, guanine, uracil.Britannica.com: Encyclopedia article about thymine. a pyrimidine base C5H6N2O2 that is one of the four bases coding genetic information in the polynucleotide chain of DNA â compare adenine, cytosine, guanine, uracil.