Pronunciation: [hˈə͡ʊlɪŋ] (IPA) 
The word "holing" is spelled with the letter combination "ing" which is pronounced /ɪŋ/. The "o" is pronounced as a short vowel sound /ɒ/ which is followed by the "l" sound /l/. This results in the pronunciation of /hɒlɪŋ/ for "holing". The word can also serve as a present participle of the verb "hole", which means to dig, perforate or make a hole in something. Therefore, "holing" can refer to the act of making a hole.
Holing is a term that is commonly used in mining and drilling industries to refer to the process of creating a hole or cavity in a material, particularly in the earth's surface or in rocks. It involves the use of specialized equipment, such as drills, to penetrate and excavate the desired depth and diameter.
In mining operations, holing plays a crucial role in various activities, including exploration, extraction, and underground construction. During exploration, holes are drilled into the ground to collect samples or obtain information about the presence and quality of minerals, ores, or other geological formations. In extraction, holing is used to extract resources by creating holes for blasting, which break down large rocks or remove layers of materials for easier extraction. In underground construction, holing is fundamental for creating tunnels, shafts, or other underground structures.
The process of holing requires skilled operators who are familiar with the equipment and safety procedures. Drilling techniques vary depending on the specific requirements, such as the hardness of the material, the desired depth, or the need for directional drilling. Some common types of holing methods include rotary drilling, percussion drilling, core drilling, and diamond drilling.
Overall, holing is a vital technique used in various industries, particularly in mining and drilling, to create holes or cavities in materials for the purpose of exploration, extraction, or underground construction.
• In coal-mining, cutting under a seam of coal so as to deprive it of support and facilitate its falling down.
• See under hole.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.
The word "holing" is derived from the verb "hole", which ultimately comes from the Old English word "hol", meaning "a hollow place, a cavity, or a den". The term "holing" is the present participle form of "hole", indicating the ongoing action or process of creating a hole or entering a hole. It is used to describe the act of making a hole in something or excavating a cavity.
