As nouns the difference between extension and xiphisternum

is that extension is the act of extending or the state of being extended; a stretching out; enlargement in breadth or continuation of length; increase; augmentation; expansion while xiphisternum is the xiphoid process, a small cartilaginous extension to the lower part of the sternum, usually ossified in the adult human.

As nouns the difference between sternum and xiphisternum

is that sternum is the breastbone while xiphisternum is the xiphoid process, a small cartilaginous extension to the lower part of the sternum, usually ossified in the adult human.

As nouns the difference between adult and xiphisternum

is that adult is a fully grown human or animal while xiphisternum is the xiphoid process, a small cartilaginous extension to the lower part of the sternum, usually ossified in the adult human.

As an adjective adult

is fully grown.

As a verb adult

is to (cause to) be or become an.

As nouns the difference between human and xiphisternum

is that human is a human being, whether man, woman or child while xiphisternum is the xiphoid process, a small cartilaginous extension to the lower part of the sternum, usually ossified in the adult human.

As an adjective human

is of or belonging to the species Homo sapiens or its closest relatives.

As a verb human

is to behave as or become, or to cause to behave as or become, a human.

As an adjective scoriaceous

is of, relating to, or producing scoria.

As a noun xiphonite is

a scoriaceous amphibole with yellow crystals.

Unmelodically is a synonym of inharmoniously.

As adverbs the difference between unmelodically and inharmoniously

is that unmelodically is in an unmelodic way while inharmoniously is in an inharmonious way.

Unmusically is a synonym of inharmoniously.

As adverbs the difference between unmusically and inharmoniously

is that unmusically is in an unmusical way while inharmoniously is in an inharmonious way.

As nouns the difference between judo and judoist

is that judo is judo while judoist is a person who does judo.

As an adjective fideistic

is pertaining to fideism.

As an adverb fideistically is

in a fideistic way.

As an adjective cartilaginous

is comprising of soft cartilage rather than bones.

As a noun xiphisternum is

the xiphoid process, a small cartilaginous extension to the lower part of the sternum, usually ossified in the adult human.