descent /di”sent/ danh từ sự xuốngto make a parachute descent: nhảy dù xuống sự hạ thấp xuống (độ nhiệt…) sự dốc xuống; con đường dốc nguồn gốc, dòng dõi; thế hệ, đờito be of good descents: nhiều thế hệ liên tiếp sự truyền lại; sự để lại (tài sản…) (quân sự) cuộc tấn công bất ngờ, cuộc đột kích (từ đường biển vào) sự sa sút, sự suy sụp, sự xuống dốc
sự đi xuống
sự giảmconstrained descent: sự giảm ràng buộcinfinite descent: sự giảm vô hạnquickest descent, steepest descent: sự giảm nhanh nhấtLĩnh vực: y học
sự xuốngangle of descent
góc cắm (vỉa)angle of descent
góc dốcdescent orbit
quỹ đạo hạ cánhdescent path
đường hạ độ caodescent path
đường xuốngline of quickest descent
đường đoản thời nhanh nhấtmethod of steepest descent
phương pháp độ dốc nhấtminimum descent altitude
độ cao hạ thấp tối thiểuminimum descent height
độ cao hạ thấp tối thiểunormal descent angle
góc hạ độ cao bình thườngrate of descent
mức cắtshaft for descent
giếng xuống hầm mỏtop of descent
điểm hạ độ cao tối đa (bộ mô phỏng bay nhân tạo)top of descent
sự bắt đầu hạ độ caovisual of descent
góc cắm (của vỉa)visual of descent
góc dốc
Xem thêm: origin, extraction, line of descent, lineage, filiation, declivity, fall, decline, declination, declension, downslope, lineage, line, line of descent, bloodline, blood line, blood, pedigree, ancestry, origin, parentage, stemma, stock
ADJ. rapid, swift | slow | steep | gentle, gradual | difficult, easy They began the difficult descent of the mountain”s south west face. | final The plane was making its final descent so we had to fasten our seat belts.
VERB + DESCENT make
PREP. on/during a/the ~ The engines failed on the plane”s descent to Orly. | ~ down I made a slow and painful descent down the stairs. | ~ from the descent from the top of the mountain | ~ into (figurative) his descent into alcoholism | ~ to The plane began its gentle descent to Heathrow.
PHRASES a rate of descent We slowed the balloon”s rate of descent.
2 surface that goes downwards
ADJ. gentle | steep
3 family origins
ADJ. direct, lineal She claims direct descent from Queen Victoria. | common Most European languages have a common descent. | mixed | Chinese, Irish, etc.
VERB + DESCENT claim, have | trace | share groups sharing common descent
PREP. by ~ She is Hungarian by descent. | ~ from He claims to have traced descent from Christopher Columbus.
PHRASES a line of descent Humans and other apes followed separate lines of descent from a common ancestor. | of Mexican, Scottish, etc. descent She is of mixed European and African descent.
a movement downwardproperties attributable to your ancestry; origin, extraction
he comes from good origins
the act of changing your location in a downward directionthe kinship relation between an individual and the individual”s progenitors; line of descent, lineage, filiationa downward slope or bend; declivity, fall, decline, declination, declension, downslopethe descendants of one individual; lineage, line, line of descent, bloodline, blood line, blood, pedigree, ancestry, origin, parentage, stemma, stock
