Pronunciation: [bˈʌlks] (IPA) 
The spelling of the word "bulks" can be a bit confusing for some English speakers. The IPA phonetic transcription for this word is /bʌlks/. The "u" is pronounced as "uh" as in "up" and the "l" is pronounced as "el" as in "table". The "k" is pronounced as "k" as in "key". The "s" at the end is pronounced as "s" as in "bus". Therefore, the correct spelling of the plural form of "bulk" is "bulks".
The term "bulks" can be defined as a noun or verb, depending on the context in which it is used. As a noun, "bulks" refers to large quantities or mass, often indicating a significant volume or size. It pertains to things that are sizable, extensive, or substantial in nature. This term is commonly employed to describe the sheer magnitude or substantial form of objects, substances, or groups. For instance, when referring to a shipment of goods or materials, "bulks" denote the overall quantity or amount of the items being transported.
As a verb, "bulks" indicates the act of becoming larger or expanding in size. It describes the process of something increasing in volume, becoming more massive or taking up more space. This verb is often used to describe objects, substances, or individuals that gradually accumulate or grow, resulting in a noticeable enlargement. For example, a person who "bulks up" is someone who engages in activities such as weightlifting or consuming a high-calorie diet with the intention of increasing their muscle mass and overall size.
In summary, "bulks" both as a noun and verb, refers to the substantial amount, size, volume, or growth of something, ranging from physical objects and quantities to personal physical development.
The word "bulks" has multiple definitions based on its context, so the etymology can vary depending on which definition is being referred to. Here are two common definitions and their respective origins:
1. "Bulk" as a noun meaning a large size or mass:
The noun "bulk" derives from the Old Norse word "búlki", which means "cargo" or "load". It is also related to the Old English word "gebealc", meaning "heap" or "mass". Over time, the term "bulk" evolved to refer to the large size or mass of anything, not just cargo or heaps.
2. "Bulk" as a verb meaning to increase in size or volume:
The verb form of "bulk" originated from the Middle Dutch word "bolken", meaning "to roar" or "swell".
