Bertrand lens
noun
: an auxiliary removable lens in the tube of a polarizing microscope used to obtain interference figures
Word History
Etymology
probably after Joseph L. F. Bertrand
- Portugal laurel
- portugales
- portugals
- Portugee
- Portuguese
- Portuguese bowline
- Portuguese cedar
- portuguese cypress
- portuguese east africa
- portuguese guinea
- Portuguese India
- Portuguese man-of-war
- Portuguese man-of-war fish
- portuguese man-of-wars
- portuguese men-of-war
- portuguese red
- Portuguese water dog
- portuguese west africa
- portugueses
- portulaca
- portulacacaeae
- portulacacaeas
- Portulacaceae
- portulacaceous
- Portulacaria