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[hə'raizn]
o tầng
- Lớp đá hình thành do trầm tích theo chiều ngang.
- Lớp đá đặc trưng bởi một tập hợp hoá thạch.
- Đới rỗng và thấm nước trong đá vỉa chứa bể dầu mỏ.
- Một tuyến gồm nhiều đường dùng để chỉ phương nằm ngang trong quá trình đo đạc.
o đường chân trời; tầng
§ apparent horizon : đường chân trời biểu kiến
§ datum horizon : đường chân trời chuẩn, tầng chuẩn
§ eluvial horizon : tầng eluvi
§ geological horizon : tầng địa chất
§ gas horizon : tầng khí
§ illuvial horizon : tầng iluvi, tầng bồi tích
§ key horizon : tầng chuẩn
§ marker horizon : tầng đánh dấu
§ oil horizon : tầng chứa dầu
§ ore horizon : tầng chứa quặng
§ phantom horizon : tầng ma
§ producing horizon : tầng khai thác
§ productive horizon : tầng khai thác
§ reflecting horizon : tầng phản chiếu
§ shallow horizon : tầng thấp
§ water horizon : tầng nước
§ horizon map : bản đồ tầng phản xạ
Xem thêm: apparent horizon, visible horizon, sensible horizon, skyline, view, purview, celestial horizon
horizon noun
1 line where earth and sky meet
ADJ. northern, southern, etc. | distant, far The sea stretched away to the distant horizon.
VERB + HORIZON scan The captain scanned the horizon for any sign of other vessels.
PREP. above the ~ I watched the pale sun climb over the horizon. | below the ~ The sun was sinking rapidly below the western horizon. | beyond the ~ Land was still out of sight beyond the horizon. | on the ~ A cloud of dust on the horizon announced the arrival of the cavalry. | over the ~ The moon was rising over the horizon.
2 horizons: limits to knowledge/experience
ADJ. limited, narrow | new | cultural, intellectual, musical My first trip to the theatre broadened my cultural horizons.
VERB + HORIZON broaden, expand, open up, widen It is hoped that the course will open up new horizons for students. | limit, narrow, restrict Their horizons were limited to events within the village community.
HORIZON + VERB stretch His horizons didn't stretch beyond his next night out.
PREP. beyond your ~ They had become aware of possibilities beyond their own limited horizons.
n.
It is beyond the horizon of present knowledge