yerba mansa
— Noun
– English
～ stoloniferous herb of southwestern United States and Mexico having a pungent rootstock and small spicate flowers with white bracts suggesting an anemone
yerba santa
— Noun
– English
～ viscid evergreen shrub of western United States with white to deep lilac flowers; the sticky aromatic leaves are used in treating bronchial and pulmonary illnesses
yerba buena
— Noun
– English
～ trailing perennial evergreen herb of northwestern United States with small white flowers; used medicinally
yerkes
— Noun
– English
～ United States psychologist who studied the intelligence of primates (1876-1956)
Yersin
— Noun
– English
～ French bacteriologist born in Switzerland; was a student of Pasteur; discovered the plague bacillus (1863-1943)
Yersinia pestis
— Noun
– English
～ a bacillus bacterium that causes the plague; aerosolized bacteria can be used as a bioweapon
Yerupaja
— Noun
– English
～ a mountain peak in the Andes in Peru (21,709 feet high)
Yerwa-Maiduguri
— Noun
– English
～ a city in northeastern Nigeria; an agricultural trading center
yes
— Noun
– English
～ an affirmative; "I was hoping for a yes"
yes-no question
— Noun
– English
～ a question that can be answered by yes or no
yes-man
— Noun
– English
～ a person of unquestioning obedience
yeshiva
— Noun
– English
～ an academy for the advanced study of Jewish texts (primarily the Talmud)
yeshivah
— Noun
– English
～ an academy for the advanced study of Jewish texts (primarily the Talmud)
yesterday
— Noun
– English
～ the day immediately before today; "it was in yesterday's newspapers"
yesterday
— Noun
– English
～ the recent past; "yesterday's solutions are not good enough"; "we shared many yesterdays"
yesterday
— Adverb
– English
～ in the recent past; only a short time ago; "I was not born yesterday!"
yesterday
— Adverb
– English
～ on the day preceding today; "yesterday the weather was beautiful"
yesteryear
— Noun
– English
～ the time that has elapsed; "forget the past"
yet
— Adverb
– English
～ despite anything to the contrary (usually preceding a concession); "although I'm a little afraid, however I'd like to try it"; "while we disliked each other, nevertheless we agreed"; "he was a stern yet fair master"; "granted that it is dangerous, all the same I still want to go"