Well-defined

Tom's muscles are well-defined.

Tom has well-defined muscles.

It's important that the terms we're using are clear and well-defined, but let's not get bogged down in semantics.

Since the magnitude of the spherical aberration was well-defined, engineers designed a set of mirrors that astronauts could place aboard Hubble during the previously planned first servicing mission.

Naturally, Europe and its many loops were well-defined, but farther afield things got sketchier.

AMVAC Chemical Corp. spokesman Brian Maddox said the company does not sell naled into China and has “no idea how it may have been used or how much is applied. By contrast, the application of Naled in the US is well-defined by the USEPA label and is highly controlled to ensure compliance with rigorous US standards.”