Husked/polished rice (the uncooked rice grains); commonly refers to rice before cooking (as opposed to 'gohan' — cooked rice).
今朝はお米を研いでから炊飯器に入れた。
This morning I washed the rice and put it in the rice cooker.
お米の銘柄によって、炊き上がりの香りや粘りが違う。
Depending on the rice variety, the aroma and stickiness after cooking differ.
節約のためにまとめてお米を買った。
I bought rice in bulk to save money.