ไรเซอร์(rai-sêr)

Meanings

1NounB2

riser (vertical service pipe)

A vertical pipe or conduit in a building that carries water, gas, fire sprinkler, electrical, or data services between floors.

Examples

The technician said the building’s water riser is very old and must be replaced before it leaks.
2NounB2

riser (stair/platform)

The vertical face between stair treads; also, a raised platform used to elevate equipment, seating, or performers.

Examples

ช่างchângช่างchâng1never mind; let it be2how (exclamatory)3artisan; mechanic; technician4crafts-; technical (prefix)5[to] be inclined to; be prone to (do often)บอกให้bòk hâiบอกให้bòk hâi[to] tell [sb] to [do sth]ระวังrá-wangระวังrá-wang1[to] be careful; take care2[to] watch out for; guard against3watch out!; caution!เวลาway-laaเวลาway-laa1time2time; period; occasion3when; at the time (that)4time (classifier) [rare/idiomatic]เช็ดchétเช็ดchét[to] wipe; dabบันไดban-daiบันไดban-dai1stairs; staircase2stairway (figurative path upward)3ladderเพราะpráwเพราะpráw1because2because of; due to3melodious; pleasant-soundingไรเซอร์rai-sêrไรเซอร์rai-sêr1riser (vertical service pipe)2riser (stair/platform)แต่ละdtàe láแต่ละdtàe lá1each (item considered separately)2each one; each person/thingขั้นkânขั้นkân1step; stair2stage; level; phase3classifier: steps/levels/stages4rank; grade; tierค่อนข้างสูงkôn kâang sŏongค่อนข้างสูงkôn kâang sŏongquite high; rather tallและláeและláeand (coordinating)อาจàatอาจàat1may; might (possibility)2possibly; perhaps3able; capable (literary/formal)สะดุดsà-dùtสะดุดsà-dùt1[to] trip; stumble2[to] snag; get caught3[to] falter; be interrupted4[to] hiccup; glitch (figurative)ได้dâiได้dâi1get; obtain; receive2may (polite permission/request)3able to (postverbal/resultative)4manage to; succeed in (achievement)5can; be able to; may (possibility/permission)6okay; sure; agreed
The contractor told us to be careful when cleaning the stairs because each riser is quite high and could cause tripping.