Spectrophotometry Terms

noun a substance or object that emits light, especially in the context of lighting or illumination

• The illuminant used in the photography studio helped to create the perfect lighting for the shoot.
• I need to change the illuminant in my lamp because it's flickering.
• The illuminant in this room is way too bright, I can't even see properly.
• Her smile was like an illuminant in the darkness, brightening up the whole room.

noun a small, straight-sided vessel used in laboratory experiments or in spectrophotometry

• The scientist placed the sample in the cuvette before inserting it into the spectrophotometer.
• Make sure you put the liquid in the little glass thingy before you start the test.
• Don't forget to pour the stuff in the cuvette before you do the experiment.
• Her mind was like a cuvette, containing different thoughts and ideas waiting to be analyzed.