# AAAA

Source: https://englishreference.com/word/aaaa
Updated: 2026-05-09

## Senses

### 1. battery size

noun · CEFR B1

a very small size of battery, thinner than the common AAA size.

For teachers: a standard size of dry cell battery, typically used in small electronic devices requiring a compact power source.

- This small laser pointer needs two AAAA batteries to work.
- The stylus is designed with a slim profile that necessitates the use of AAAA batteries rather than the more common AAA variety.

### 2. baseball player

noun · CEFR C1 · American English · Slang

a player who is too good for the minor leagues but not quite good enough for the major leagues.

For teachers: a professional baseball player who consistently excels at the Triple-A level but fails to maintain a position on a Major League roster.

- He is a classic AAAA player who hits home runs in the minors but struggles in the big leagues.
- Scouts often label him an AAAA talent, noting that while his Triple-A statistics are elite, his high strikeout rate suggests he cannot handle Major League pitching.

Usage: Usually used as an attributive noun before 'player' or 'talent'.

Teaching tip: This is a very specific sports term; learners should use it only when discussing the professional baseball hierarchy in North America.

### 3. internet record

noun · CEFR C2 · Technical

a type of record that connects a website name to an IPv6 address.

For teachers: a DNS resource record used to map a hostname to a 128-bit IPv6 address.

- The technician had to update the AAAA record to make the website work with the new internet protocol.
- While the A record points to an IPv4 address, the AAAA record is essential for ensuring the server is reachable over IPv6 networks.

Usage: Pronounced as 'quad-A' by many IT professionals.

---

From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.