"familiar with the word" doesn't mean "knows exact definition or the facts from the first paragraph of the wikipedia article". "a boson is a particle in physic

"familiar with the word" doesn't mean "knows exact definition or the facts from the first paragraph of the wikipedia article". "a boson is a particle in physics" would be adequate definition, no need to actually know the details. Similarly, "piezoelectricity" is "the thing used in electric cigarette lighters / guitar pickups", no need for details. Women who know about fabrics don't necessarily know how they are manufactured.