proto

The first or original model of something from which later forms are developed.

Shared component: proto · first

A dense region of gas and dust in space that is collapsing under its own gravity to form a star, representing the earliest stage of stellar evolution before nuclear fusion begins in its core.

Shared component: proto · first

A single-celled microscopic animal, such as an amoeba or a paramecium.

Shared component: proto · first

The colorless material comprising the living part of a cell, including the cytoplasm, nucleus, and other organelles.

Shared component: proto · first

A large body of matter in orbit around the sun or another star, thought to be developing into a planet.

Shared component: proto · first

Having the typical qualities of a particular group, kind, or thing; serving as a model or example.

Shared component: proto · first

Relating to or denoting the early stage in the formation of a planetary system, especially the disk of gas and dust from which planets are thought to form.

Shared component: proto · first

Being the first or typical example of something, serving as a model or standard.

Extended relation: proto · first

The activity or process of making an original model of a new product or system, used to test ideas and designs before full production.

Extended relation: proto · first