bleeder

/'bli:də/

Thân thiện

A young bleeder carefully applies a bandage to a small cut on his finger.

Definition

Noun: 1. A person with hemophilia: A person who has the medical condition hemophilia, which causes them to bleed for an unusually long time from even minor injuries due to a deficiency in blood clotting factors. 2. A person or thing that bleeds: (Less common, often technical) Something that releases a fluid, such as a valve or pipe designed to release air or liquid from a system (e.g., a radiator bleeder valve).

Usage

• The term "bleeder" in its primary medical sense is now considered outdated and potentially offensive. The preferred modern terms are "person with hemophilia" or "hemophiliac."
• The technical sense is neutral and standard in engineering and mechanics.

Examples

• Noun (Medical - outdated):
  • The old medical text referred to patients as "bleeders."
  • He was known as a bleeder, so the doctors took extra precautions during surgery.
• Noun (Technical):
  • Open the bleeder valve to release the air trapped in the brake line.
  • The mechanic attached a hose to the radiator's bleeder screw.

Advanced Usage

• "bleeder resistor": In electronics, a resistor connected across a power supply's filter capacitor to safely discharge it when the power is turned off.

Variants and Related Words

• Bleed (verb): To lose blood; for a fluid to escape from a contained system.
• Bleeding (noun/adj): The process of losing blood; (slang) extremely, as in "bleeding obvious."

Synonyms

• (For the medical sense): Hemophiliac, person with hemophilia. (Note: These are the preferred modern terms).
• (For the technical sense): Drain valve, purge valve, release valve.

Related Phrases

• "bleeder valve": A specific type of valve used for draining or purging fluid or air from a system, such as in hydraulic brakes or radiators.

Học thuật

Noun

1. someone who has hemophilia and is subject to uncontrollable bleeding

Từ đồng nghĩa

• hemophiliac
• haemophiliac
• hemophile
• haemophile