aeration. The Cross Campus lawn is a lot quieter today than it was during the protest encampment earlier this week. A grounds maintenance crew was out this morning aerating the lawn in preparation for commencement.

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2. The Cross Campus lawn is a lot quieter today than it was during the protest encampment earlier this week. A grounds maintenance crew was out this morning aerating the lawn in preparation for commencement. 香港: ROLLING LAWN AERATOR ~ ROLL YOUR WAY TO A GREENER LAWN ...

A handout labeled “Espresso Excellence” informed them that “without aeration, the milk screams and lacks sweetness.” And: “The perfect milk requires surfing the tip of the steam wand until the sound is SSHHHH.”

aer・ate

━━ vt. 空気に当てる［を入れる］; 炭酸ガス（など）を入れる; 酸素を供給する.
aerated bread　無酵母パン.
aerated water　〔英〕 炭酸水.
aer・a・tion　━━ n. 通気; 炭酸ガスを入れること.
aer・a・tor　━━ n. 通風装置（など）.