13-Letter Words Containing: E,R,N,B,E,R,G

• a tourist who is visiting sights of interest

• a person who stares inquisitively

• strain to watch; stare curiously

• causing or marked by grief or anguish

• in an overbearing manner

• To hyperventilate.

• splitting a ray into two parallel rays polarized perpendicularly

• someone who helps to open up a new line of research or technology or art

• the surface soil that must be moved away to get at coal seams and mineral deposits

• an excessive burden

• burden with too much work or responsibility

• load with excessive weight

• someone who drops things (especially one who cannot catch a ball)

• (genetics) the act of mixing different species or varieties of animals or plants and thus to produce hybrids

• reproduction by parents of different races (especially by white and non-white persons)