As nouns the difference between fossil and fossilist

is that fossil is fossil while fossilist is one who is versed in the science of fossils.

As an adjective luculent

is shining, brilliant.

As an adverb luculently is

in a luculent manner; clearly.

As a noun clear

is (scientology) an idea state of beingness free of unwanted influences.

As an adverb luculently is

in a luculent manner; clearly.

As an adjective euphonic

is characterized by euphony; harmonious.

As a verb euphonize is

to make euphonic.

As nouns the difference between apparatus and ozonoscope

is that apparatus is apparatus while ozonoscope is (chemistry) an apparatus used to detect ozone.

As a verb detect

is to discover or find by careful search, examination, or probing.

As an adjective detect

is (obsolete) detected.

As a noun ozonoscope is

(chemistry) an apparatus used to detect ozone.

As a verb ozone

is .

As a noun ozonoscope is

(chemistry) an apparatus used to detect ozone.

As a verb reascend

is to ascend again.

As a noun reascension is

the act of reascending; a second or subsequent ascension.

As nouns the difference between ascension and reascension

is that ascension is (the act of ascending) while reascension is the act of reascending; a second or subsequent ascension.

As nouns the difference between excavation and topsoiling

is that excavation is (uncountable) the act of excavating, or of making hollow, by cutting, scooping, or digging out a part of a solid mass while topsoiling is the removal of topsoil before an excavation or embankment is begun.