15-Letter Words Containing: CROS

• in non-flowering plants, a sporophyll that bears only microsporangia

• by using a microscope; so as to be visible only with a microscope; as seen with a microscope

• as if by using a microscope; with extreme precision and attention to detail; in minute detail

• without using a microscope

• a plant structure that produces microspores

• any fish of the order Crossopterygii; most known only in fossil form

• light microscope that uses scattered light to show particles too small to see with ordinary microscopes

• The gross structure of a material or tissue as visible to the unaided eye or at very low levels of magnification.

• The gross structure of a pure metal or alloy, as revealed by magnifications of 10X or less.