illuminance

"It was an incident that he hoped to forget."

"The actor practiced his read for the school play diligently. "

"The fireflies created a luminous glow in the backyard. "

"The classroom has a large area for the students to spread out and work. "

"The smooth surface of the kitchen table was perfect for setting the dinner plates. "

"The intricate making of the model airplane showcased the student's skill. "

"The new light bulb in the kitchen is much brighter; it emits 800 lumens. "

"My grandfather used a wooden desk in his study to write letters to his family. "

"The doctor prescribed a specific unit of vitamin D for the patient's bone health. "

"The constant flux of students entering and leaving the school building made it hard to keep track of everyone. "

"The complicated instructions on the new software difficult me from completing the project on time. "

"We measured the temperature with a thermometer.   You should measure the angle with a spirit level."